Start your trial now! First week only $4.99!*arrow_forward*

Question

a committe of 4 is to be selected from 6 men and 5 women. 1 particular man and 1 particular woman refuse to serve if the other person is on the committe. how many different committe may be formed

Tagged in

Math

Statistics

Find answers to questions asked by students like you.

Q: Selecting a card- when a card is drawn from a deck, find the probability of getting a. A diamond ...

A: Hey there! Thank you for posting the question. Since your question has more than 3 parts, we are sol...

Q: Use the Empirical Rule. The mean speed of a sample of vehicles along a stretch of highway is 69 mile...

A: Solution:The empirical rule for any normal distribution is given below.68% of the observations fall ...

Q: How do I find the p value for a hypothesis test

A: The concepts of testing of hypothesis, p-value, and t-test are used here.

Q: The number of chocolate chips in a bag of chocolate chip cookies is approximately normally distribut...

A: Solution:a.The 28th percentile for the number of chocolate chips in a bag is obtained below:From the...

Q: Engineers must consider the breadths of male heads when designing helmets. The company researchers h...

A: From the given information,Mean and standard deviations are 6.4 and 0.8Smallest head breadths 1.3%=0...

Q: I have absolultely no understanding of how to solve this the formulas given in the text make no sens...

A: Given dataMean(µ) = 2.888Standard Deviation (σ) = 0.009n> 30, so, Applying central limit theorem

Q: (assume that all variables are approximately normally distributed) Weights of Elephants: A sample of...

A: The formula for 95% confidence interval is given below:

Q: The brand manager for a brand of toothpaste must plan a campaign designed to increase brand recognit...

A: It is given that margin of error (E) is 0.05 and the confidence level is 90%.

Q: suppose an individual was studying temperature's effect on crime rate. The researcher looked at 6 ra...

A: Solution:The sample mean is obtained below:From the given information, number of observations is 6 a...

Q: please answer 1 & 2 The National Highway Safety Administration recognizes that the antilock...

A: 1)Formulation of hypothesisNull Hypothesis: - There is no difference between the average fatal crash...

Q: look at the normal curve below, and find u,u plus standard deviation, and standard deviation

A: The mean and standard deviation can be denoted as µ and σ.

Q: What is the total number of scores (N) for the distribution shown in the following table? X ...

A: Given data

Q: I need help with this textbook question. I cant find an example for it in my book. Thank you.

A: The sample mean is obtained below: From the given information, number of observations is 17 and conf...

Q: At their inauguration, the ages of the first six (out of a current number of 45) presidents of a ...

A: Mean:The formula for finding mean is shown below:

Q: Assume that a procedure yields a binomial distribution with a trial repeated n=13n=13 times. Use eit...

A: Giventotal number of trails = n = 13probability of success = p = 0.46To find the probability of 1 su...

Q: biostatistics course, the chapter of probability

A: Hello. Since your question has multiple sub-parts, we will solve first three sub-parts for you. If y...

Q: Suppose, according to a 1990 demographic report, the average U. S. household spends $90 per day. Sup...

A: Sample mean = $84.5.Sample standard deviation, s is $14.5.The sample size, n is 30.

Q: A small pilot study was conducted to compare cholesterol levels in individuals before and after a lo...

A: Preliminary calculation:Using the EXCEL formula “=NORM.S.INV(1– (0.05/2))”, the z-value for 95% conf...

Q: Help

A: Test statistic:The test statistic for hypothesis test for proportion is given by:

Q: Please See Picture

A: X- be the winnings when we quit.Case-1 win in first spinProbability of win in first spin = 18/38prof...

Q: Explain the difference between a stratified sample and a cluster sample. (Select all that apply.) In...

A: Cluster sampling is a sampling method in which the researcher divides the population into clusters, ...

Q: According to the Center for Disease Control and Prevention (CDC), the mean life expectancy in 2015 f...

A: It is given that the mean is 71.8, the population standard deviation is 15, sample size is 100 and t...

Q: Figure 1 shows sample proportions from samples of size n=40 from a population. Estimate the value of...

A: It is given that sample size (n) is 40.The given graph shows that the sampling distribution of propo...

Q: In a survey of consumers aged 12 and older, respondents were asked how many cell phones were in use ...

A: This question can be solved using hypothesis test for a Proportion. Among the respondents, 208 answe...

Q: A certain flight arrives on time 82 percent of the time. Suppose 198flights are randomly selected. U...

A: It is given that 82% of the time the flight arrives on time. Therefore, probability of a selected fl...

Q: If a researcher reported for a single-sample t-test that t(17) = 2.90, p<.02, how many subjects w...

A: It is given that the test is single-sample t test and the degrees of freedom is 17.

Q: 7q1r2 defects 2 5 0 1 3 1 3 1 1 1 1 5 0 1 4 1 5 1 4 1 3 1 2 2 2 1 3 1 2 1 0 2 3 1 0 0 2 1 1 1 1 0 6 ...

A: a)The hypotheses for the test are stated below:From the information, the level of significance is 0....

Q: In 2008, the Detroit Lions set an NFL record by losing all 16 regular-season games. Suppose that the...

A: It is given that n =16.Here, probability of winning an individual game is 0.10.

Q: State the null and alternative hypothesis for the following: a) The average SAT in the state is repo...

A: a)Formulation of hypothesisNull Hypothesis: - mean for the local district is equal to 1010Alternativ...

Q: A study is performed to examine the relationship between the concentration of plasma antioxidant vit...

A: Given Data

Q: An automobile manufacturer finds that 1 in every 2000 automobiles produced has a particular manufact...

A: From the given information,An automobile manufacturer finds that 1 in every 2000 automobiles produce...

Q: Please show TI 84 steps

A: The given data show that the surface roughness of coated interior pipes.

Q: How many different selections of three books can be made from a set of fifteen books?

A: Introduction:According to the permutation rule, if r distinct items are to be chosen from n items wi...

Q: An automobile manufacturer finds that 1 in every 2000 automobiles produced has a particular manufact...

A: From the given information,An automobile manufacturer finds that 1 in every 2000 automobiles produce...

Q: A simple random sample of size n = 64 is obtained from a population with μ=80 and σ=16. (a) Descri...

A: (a) From the Central Limit Theorem, the sampling distribution of sample mean is normal distribution ...

Q: Please show ti 84 steps

A: Given information:Here, the mean change in score corresponding to Math is x-bar=18; standard deviati...

Q: The article "Facebook Use and Academic Performance Among College Students"† estimated that 87% perce...

A: It is given that the population proportion is 0.87. In the survey the sample proportion van be obtai...

Q: Find the minimum sample size n needed to estimate muμ for the given values of c, sigmaσ, and E. ce...

A: It is given that confidence level is 0.90, standard deviation is 7.3 and margin of error E is 2.

Q: A Gallup pool indicated that 29% of Americans spent more money in recent months than they used to. B...

A: As per the question,a)Population of interest is the all Americans who are 18 or older

Q: How can graphics and/or statistics be used to misrepresent data?

A: Graphical representation or statistical data can be misleading or misrepresented. Some statistics ca...

Q: What is a P value?

A: The p-value is also called as probability value.

Q: the table below is a joint probability table that display the joint probablitly distribution of the ...

A: Note:Hi there! Thank you for posting the question. Since the table is not clear, we observed the fol...

Q: The number of chocolate chips in an 18-ounce bag of chocolate chip cookies is approximately normall...

A: According to the Question, The number of chocolate chips in an18-ounce bag of chocolate chip cookie...

Q: Let x be the number of units (in thousands) that a company produces and let p(x) be the profit (in t...

A: Enter the Given Data in Excel as shown below

Q: Today, the waves are crashing onto the beach every 4.9 seconds. The times from when a person arrives...

A: Let X be the random variable uniformly distributed between 0 and 4.9 seconds.Denote X as the time fr...

Q: novel pages- a random sample of 25 novels has a standard deviation of 9 pages. Find the 95% confide...

A: The sample standard deviation is 9.The sample size is 25.

Q: In jumbled box of pens and pencils, the probability of randomly choosing a sharpened pencil is .54 a...

A: Given dataprobability of randomly choosing a sharpened pencil P(S) = 0.54probability of randomly cho...

Q: Problem 1

A: Given information:Mean, µ=3,510Standard deviation, σ=385

Q: 7q3r2 Time 9.8 3.3 4.5 2.8 14.4 2.6 6.7 8.9 3.9 4.1 2.5 2.8 0.1 1.3 6.3 10.8 7.5

A: The t-test considered here is a left-tailed test.The sample size is, n = 25.Since one of the degrees...

Q: need answers to questions 9 and 10

A: The tree diagram for the three rolls of the die letting C= {composite number rolled} and N={composit...