Based on a Harris Interactive poll, 20% of adults believe in reincarnation. Assume that six adults are randomly selected, and find the indicated probability. P(k successes in n trials)?!/?!(?−?)! ∙ ??(?−?)?−?       or ?!/?!(?−?)!∙??∙??−? a)What is the probability that exactly threeof the selected adults believe in reincarnation? b) What is the probability that fewer than five of the selected adults believe in reincarnation?

Q: John is interested in whether there is a relationship between gender and attitudes towards flogging…

A: Given The data is as follows:     Flogging   Gender Yes No Not sure Men 15 5 3 Women 20 10…

Q: drug testing company that provides a test for marijuana usage. Among 345 tested​ subjects, results…

A: Given: The given test is a left-tailed test. x=29, n=345, p0=0.10 The formula and calculation of the…

Q: OA. Ho:p=0.29 H:p>0.29 OB. Ho: p=0.29 H;:p#0.29 OC. Ho: p=0.29 H:p<0.29 OD. Ho: p#0.29 H:p=0.29…

A: Here , we are testing whether the percentage of blue candies is equal to 29% This would be a two…

Q: 85% of all restaurants fail after one year.  Is that number different for Chinese restaurants?  Out…

A: Followings are the Explanations of the question  Use the one sample Z proportion test The following…

Q: A researcher claims that 45% of U.S. adults think that the IRS is not aggressive enough in pursuing…

A: we have given that  The following information is provided: The sample size is N = 400N=400, the…

Q: Suppose that according to your company, the average salary for middle managers was 105,000. You…

A: (a)   Determine the type of test must be run.   The type of test that must be run is hypothesis…

Q: . It is thought that 42% of respondents in a taste test would prefer Brand A. In a particular test…

A: From the provided information, The population proportion (p) = 0.42 Sample size (n) = 100 Sample…

Q: Assume 4812 people are randomly selected. Approximately 59.4% of them have added bleach to their…

A: p = 0.60 , n = 4812

Q: a study was conducted to determine the proportion of people who dream in black and white instead of…

A: The objective of this question is to test the claim that the proportion of people over 55 who dream…

Q: A magazine reported that 47% of Canadians are confident they will take a winter vacation at some…

A: Given that  Sample size n =65 Favorable cases x =27 Sample proportion p^=x/n  =27/65 =0.4154 NOTE:-…

Q: A statistical test result is called "statistically significant" whenever The test statistic value is…

A: We have to determine when the statistical test is said to be significant.

Q: Pierre is a chef. He claims that 90% of his customers are satisfied  with his cooking. Yvette…

A: Given, Population proportion=90%=0.9 n=15 x=no of customers which are satisfied=11

Q: A study was conducted to determine the proportion of people who dream in black and white instead of…

A: sample size of the first sample with people over the age of 55: n1=310sample size of the second…

Q: A used car dealer claims that the median cost of a used car is $12,000. In a random sample of 15…

A: Given median cost of a used car = $12000Total number of used cars in sample = n = 15Total number of…

Q: It is believed that 10% of the children enrolled in the elementary schools are left-handed. Suppose…

A:

Q: A hypothesis test is conducted with a significance level of 10%. The alternative hypothesis states…

A: HypothesisThe P-value=0.27

Q: A hypothesis test is to be conducted using a .05 significance level. The null hypothesis is that the…

A:

Q: The Statistics Games are played by a large number of students across the county. Last year, 32% of…

A:

Q: Photo-Cop Legislation: Is there sufficient sample evidence to support a claim that the proportion of…

A: The hypotheses are given below: Null hypothesis: H0: p=0.5. Alternative hypothesis: H1:p &gt;0.5.…

Q: If the significance level in a hypothesis test is 5%, the null hypothesis would be rejected if the…

A: The probability of obtaining a statistic or test statistic value at least as extreme as the observed…

Q: Determine the outcome and conclusion of the test. Choose the correct answer below. O A. Reject Ho.…

A: Given that ,       population mean,μ = 30significance level ,α =0.05population stsndard deviation ,…

Q: a study was conducted to determine the proportion of people who dream in black and white instead of…

A: The objective of this question is to conduct a hypothesis test to determine if the proportion of…

Q: A researcher wondered if the currently believed global male-births proportion value approximately…

A: Given Information: Population proportion (po) = 0.512  Sample size = 1000 Sample proportion =…

Q: Assume 4812 people are randomly selected. Approximately 59.4% of them have added bleach to their…

A: The null and alternative hypothesis is; The given level of significance is; α = 0.10 Given to us…

Q: Suppose 250 subjects are treated with a drug that is used to treat pain and 50 of them developed…

A:

Q: Northwest claims that exactly 80% flights arrived on time in this September. 100 flights were…

A: Given: n= 100 ,x= 70.0 p= 0.8 ,significance level(∝)= 0.05 p̂= 70.0 / 100 =0.70

Q: We are interested in testing whether the proportion of American adults who mostly drink diet soda…

A: X=485, n=2027, level of significance ɑ=0.05 ,p=25%

Q: A researcher wants to determine if there is an association between gender and political party…

A:

Q: In a random sample of 315 people 90 of them were smokers. Based on the above sample test whether the…

A:

Q: Suppose that in a random selection of 100 colored candies 20% of them are blue. I candy company…

A:

Q: In 2011, a U.S. Census report determined that 70% of college students are working students. A…

A: We have given that a U.S. Census report determined that 70% of college students are working…

Q: how many of the 200 tests, using a significance level of 5%, will incorrectly find significance

A: Here given  We are conducting many hypothesis tests to test a claim. Assuming the null hypothesis is…

Q: A news article that you read stated that 58% of voters prefer the Democratic candidate. You think…

A: The following information is provided: The sample size is N=300N = 300, the number of favorable…

Q: A study was conducted to determine the proportion of people who dream in black and white instead of…

A: Denote p1, p2 as the proportions of all people who dream in black and white instead of color under…

Q: Suppose 242 subjects are treated with a drug that is used to treat pain and 50 of them developed…

A: Given that  n=242 , X=50 , p=20%=0.20

Q: A study was conducted to determine the proportion of people who dream in black and white instead of…

A: The random variable X follows binomial distribution. We have to use normal approximation to binomial…

Q: 85% of all restaurants fail after one year. Is that number different for Chinese restaurants? Out of…

A:

Q: After Halloween, your statistics instructor wanted to find out if there was a significantly…

A: Data given 40,52,55,45,48,45,50,60 n=8

Q: A survey conducted in a small business yielded the results shown in the table. Test the claim that…

A:

Q: S Click here for the Excel Data File a. Specify the competing hypotheses in order to determine…

A: Solution: Given information: n= 78 total observation k= 4 groups  SSB= 19.75 Sum of square of…

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.