In a study of the accuracy of fast food​ drive-through orders, one restaurant had 40 orders that were not accurate among 310 orders observed. Use a 0.01 significance level to test the claim that the rate of inaccurate orders is equal to​ 10%. The test statistic for this hypothesis test is what?

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: Determine the null and alternative hypotheses. O A. Ho: The amount of smoking is independent of seat…

A: 0 1-14 15-34 35 and over Total wear selt belts 197 12 44 6 259 dont wear selt belt 150…

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: 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: n general, if sample data are such that the null hypothesis is rejected at the ? = 1% level of…

A: α = 1% or 0.01   ___________________________    P-value (One Tailed ) = P-value (2 Tailed)2

Q: In a study of the accuracy of fast food​ drive-through orders, one restaurant had 36 orders that…

A: Claim : To test whether that the rate of inaccurate orders is equal to 10% or not Null…

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

A:

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 study of seat belt users and nonusers yielded the randomly selected sample data summarized in the…

A: Claim : the amount of smoking is independent of seat belt use.

Q: Identify the null and alternative hypotheses. The sex of the respondent Ho H₁: The sex of the…

A: Step 1: State the given table: Take note that these values are the observed values, O. To conduct…

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

A: HypothesisThe P-value=0.27

Q: A poll was conducted to investigate opinions about global warming. The respondents who answered yes…

A: There are two categorical variables which are sex and choice for the cause of global warming. We…

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

A:

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

A: Denote p as the true population proportion of wrong subjects for the test of marijuana usage.

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

A:

Q: At a large university in Conway, South Carolina, the Dean wants to know what proportion of students…

A: We have given thatn = 200x = 145Confidence level (c) = 99% = 0.99Significance level (α) = 1 - c =  1…

Q: The College of Graduate Studies at MNSU claims that more than 60% of undergraduate students at this…

A:

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

A:

Q: In a random sample of 575 American goods, about 46.3% of them were transported by rail in 2017.…

A: Given,   Sample size = 575 Sample proportion = 0.463   Critical value: Using z-table, the z-critical…

Q: A study of seat belt users and nonusers yielded the randomly selected sample data summarized in the…

A: Solution: The observed frequency table is    0 1-14 15-34 35 and over  Row Total  Wear seat…

Q: Burnout. According to a recent survey 45% of health care workers ages 18-29 reported feeling burnout…

A: Givensample size(n)=237p^=0.55According to a recent survey 45% of health care workers ages 18-29…

Q: Test the claim that the proportion of people who own cats is significantly different than 10% at the…

A: Denote p as the true proportion of people, who own cats.

Q: In 2011, a U.S. Census report determined that 66% of college students are working students. A…

A: Given that  Sample size n =139 Favorable cases x =87 Sample proportion p^=x/n  =87/139 =0.6259

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: A writing test is given to incoming freshman at a state university before and after they complete a…

A: The random variable attitudes follow normal distribution. There are two dependent samples which are…

Q: For a certain year, a study reports that the percentage of college students using credit cards was…

A: