of fast food​ drive-through orders, one restaurant had 36 orders that were not accurate among 346 orders observed. Use a 0.10 significance level to test the claim that the rate of inaccurate orders is equal to​ 10%. Does the accuracy rate appear to be​ acceptable? Identify the null and alternative hypotheses for this test. Choose the correct answer below.

Q: Consider a drug testing company that provides a test for marijuana usage. Among 315 tested​…

A:

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: onsider a drug testing company that provides a test for marijuana usage. Among 344 tested​…

A: The provided information is  n=344x=26α=0.01p^=xn=26344=0.075 a. The null and alternative hypothesis…

Q: A statistics student believes that black cars are less likely to receive tickets for moving…

A: It is given that the P-value is 0.24.

Q: A graduate student believes that people consider faces with more contrast between eye color and skin…

A: Explanation for the first part: Given a null hypothesis H0, we either conclude that there is not…

Q: IQ: Scores on a certain IQ test are known to have a mean of 100. A random sample of 39 students…

A: Given that classes are successful if μ&gt;100. The given null and alternative hypothesis is; H0:…

Q: in a clinical trial of a drug intended to help people stop smoking, 126 subjects were treated with…

A: The power of the test, in this case, is 1—β= 0.95 (that is, the complement of β), indicates the…

Q: Past studies have indicated that the percentage of smokers was estimated to be about 33%. Given the…

A:

Q: Consider a drug testing company that provides a test for marijuana usage. Among 253 tested​…

A: The appropriate Null and Alternative Hypotheses are given below:   From the given information, the…

Q: In a study of the accuracy of fast food drive-through orders, one restaurant had 37 orders that were…

A:

Q: Historically, the percentage of residents of a certain country who support stricter gun control laws…

A: The percentage of residents of a certain country who support stricter gun control laws is 54​%.…

Q: Consider a drug testing company that provides a test for marijuana usage. Among 298 tested subjects,…

A: Given, The sample proportion is,

Q: Consider a drug testing company that provides a test for marijuana usage. Among 324 tested​…

A: Given that  Sample size=324 Number of subjects wrong (X)=26 Population proportion=0.10 Significance…

Q: A new app is being tested to see if it can increase the number of college students who meet with a…

A: The current rate for the population is 0.27.

Q: An online poll​ asked: "Do you believe the Loch Ness monster​ exists?" Among 20,833 ​responses,…

A: Given Pcap=0.67 P=0.50 n=20833

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: In a study of the accuracy of fast food​ drive-through orders, one restaurant had 40 orders that…

A:

Q: The US Department of Energy reported that 51% of homes were heated by natural gas. A random sample…

A: The random variable heated by natural gas follows normal distribution. The sample size is 312. The…

Q: The table to the right includes results from polygraph experiments. In each case, it was known if…

A: For the given data, we need to test whether a subject lies is independent of the polygraph test…

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

A:

Q: In a clinical trial of a drug intended to help people stop​ smoking, 131 subjects were treated with…

A: Power of the test =0.96Level of significance=0.05

Q: In a study of the accuracy of fast food​ drive-through orders, one restaurant had 34orders that were…

A: Let p be the population proportion of the orders that were not accurate . Claim : The rate of…

Q: A medical research team conducted a study to test the effect of a migraine drug. Of the 400 subjects…

A:

Q: Consider a drug testing company that provides a test for marijuana usage. Among 292 tested​…

A:

Q: est the hypothesis that the proportion of airplane accidents due to pilot error is not 0.51. Use a…

A: a. The following null and alternative hypotheses for the population proportion needs to be tested:…

Q: Consider a drug testing company that provides a test for marijuana usage. Among 317 tested​…

A:

Q: onsider a drug testing company that provides a test for marijuana usage. Among 316 tested​ subjects,…

A: Given that, x=29,n=316 The sample proportion is,

Q: An online poll​ asked: "Do you believe the Loch Ness monster​ exists?" Among 22,038 ​responses,63 ​%…

A: Solution: From the given information, p-hat = 0.63 and n = 22,038.

Q: Rhinoviruses typically cause common colds. In a test of the effectiveness of​ echinacea, 41of the 47…

A: From the given information, let Xl be the number of subjects effective while they are treated with…

Q: Consider a drug testing company that provides a test for marijuana usage. Among 349 tested​…

A: Given that,  x=26,n=349 The sample proportion is,

Q: According to the Center of Disease Control and Prevention (CDC), 18% of adults in the U.S. over 19…

A: The p-value is 0.0073.

Q: Many people believe that criminals who plead guilty tend to get lighter sentences than those who are…

A: Solution:- Given data    Guilty Plea Not guilty plea Total Sent to prison 426 58 484 Not sent…

Q: Consider a drug testing company that provides a test for marijuana usage. Among 253 tested subjects,…

A:

Q: A business owner claims that the proportion of take out orders is greater than 25%. To test this…

A: Let p be the proportion of proportion of take-out orders.The aim is to check whether the proportion…

Q: According to the most recent General Social Survey, 70% of adults watch TV nightly. A researcher…

A: Given that,possible chances (x)=276sample size(n)=400success rate ( p )= x/n = 0.69success…

Q: Consider a drug testing company that provides a test for marijuana usage. Among 293 tested​…

A: