Write the null and alternative hypotheses. Identify which is the claim. A research organization reports that...
Write the null and alternative hypotheses. Identify which is the claim. A research organization reports that at leastthat at least 3131% of the residents of the town are college students. Choose the correct null and alternative hypotheses below. A. Upper H 0H0: pless than or equals≤0.3131 Upper H Subscript aHa: pgreater than>0.3131 B. Upper H 0H0: pgreater than>0.3131 Upper H Subscript aHa: pless than or equals≤0.3131 C. Upper H 0H0: pless than<0.3131 Upper H Subscript aHa: pgreater than or equals≥0.3131 D. Upper H 0H0: pgreater than or equals≥0.3131 Upper H Subscript aHa: pless than<0.3131 E. Upper H 0H0: pnot equals≠0.3131 Upper H Subscript aHa: pequals=0.3131 F. Upper H 0H0: pequals=0.3131 Upper H Subscript aHa: pnot equals≠0.31
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Write the null and alternative hypotheses. Identify which is the
claim. A research organization reports that...
Consider a sample of 5252 football games, where 3232 of them were won by the home...
Consider a sample of 5252 football games, where 3232 of them were won by the home team. Use a 0.010.01 significance level to test the claim that the probability that the home team wins is greater than one-half. Identify the null and alternative hypotheses for this test. Choose the correct answer below. A. Upper H 0H0: pgreater than>0.50.5 Upper H 1H1: pequals=0.50.5 B. Upper H 0H0: pequals=0.50.5 Upper H 1H1: pnot equals≠0.50.5 C. Upper H 0H0: pequals=0.50.5 Upper H 1H1:...
A 0.05 significance level is used for a hypothesis test of the claim that when parents...
A 0.05 significance level is used for a hypothesis test of the claim that when parents use a particular method of gender selection, the proportion of baby girls is different from 0.5. a. Identify the null hypothesis and the alternative hypothesis. Choose the correct answer below. A. Upper H 0H0 : pnot equals≠0.5 Upper H 1H1 : pequals=0.5 B. Upper H 0H0 : pequals=0.5 Upper H 1H1 : pgreater than>0.5 C. Upper H 0H0 : pequals=0.5 Upper H 1H1 :...
In a study of cell phone usage and brain hemispheric dominance, an Internet survey was e-mailed...
In a study of cell phone usage and brain hemispheric dominance, an Internet survey was e-mailed to 6989 subjects randomly selected from an online group involved with ears. There were 1291surveys returned. Use a 0.01 significance level to test the claim that the return rate is less than 20%. Use the P-value method and use the normal distribution as an approximation to the binomial distribution. A:Identify the null hypothesis and alternative hypothesis. A. Upper H 0H0: pequals=0.2 Upper H 1H1:...
Determine whether to reject or fail to reject Upper H 0H0 at the level of significance...
Determine whether to reject or fail to reject Upper H 0H0 at the level of significance of a) alphaαequals=0.030.03 and b) alphaαequals=0.010.01. Upper H 0H0: muμequals=128128, Upper H Subscript aHa: muμnot equals≠128128, and Pequals=0.01630.0163. a) Do you reject or fail to reject Upper H 0H0 at the 0.030.03 level of significance? A. Fail to rejectFail to reject Upper H 0H0 because Pless than<0.030.03. B. RejectReject Upper H 0H0 because Pgreater than>0.030.03. C. RejectReject Upper H 0H0 because Pless than<0.030.03. D....
A recent broadcast of a television show had a 1010 share, meaning that among 60006000 monitored...
A recent broadcast of a television show had a 1010 share, meaning that among 60006000 monitored households with TV sets in use, 1010 % of them were tuned to this program. Use a 0.01 significance level to test the claim of an advertiser that among the households with TV sets in use, less than 1515 % were tuned into the program. Identify the null hypothesis, alternative hypothesis, test statistic, P-value, conclusion about the null hypothesis, and final conclusion that addresses...
Decide whether the normal sampling distribution can be used. If it can be used, test the...
Decide whether the normal sampling distribution can be used. If it can be used, test the claim about the population proportion p at the given level of significance alphaα using the given sample statistics.Claim: pnot equals≠0.290.29; alphaαequals=0.010.01; Sample statistics: ModifyingAbove p with caretpequals=0.270.27, nequals=100100 Can the normal sampling distribution be used? A. No, because nq is less than 5. B. No, because np is less than 5. C. Yes, because both np and nq are greater than or equal to...
A county is considering rasing the speed limit on a road because they claim that the...
A county is considering rasing the speed limit on a road because they claim that the mean speed of vehicles is greater than 40 miles per hour. A random sample of 20 vehicles has a mean speed of 42 miles per hour and a standard deviation of 4.3 miles per hour. At α=0.05, do you have enough evidence to support the county's claim? Complete parts (a) through (d) below.(a) Write the claim mathematically and identify Upper H 0H0 and Upper...
A business journal investigation of the performance and timing of corporate acquisitions discovered that in a...
A business journal investigation of the performance and timing of corporate acquisitions discovered that in a random sample of 2 comma 628 ?firms, 693 announced one or more acquisitions during the year 2000. Does the sample provide sufficient evidence to indicate that the true percentage of all firms that announced one or more acquisitions during the year 2000 is less than 29 ?%? Use alpha equals0.01 to make your decision. What are the hypotheses for this? test? A. H0?: pgreater...
The dean of a university estimates that the mean number of classroom hours per week for full-tim...
The dean of a university estimates that the mean number of classroom hours per week for full-time faculty is 11.011.0. As a member of the student council, you want to test this claim. A random sample of the number of classroom hours for eight full-time faculty for one week is shown in the table below. At alphaαequals=0.100.10, can you reject the dean's claim? Complete parts (a) through (d) below. Assume the population is normally distributed. 10.810.8 9.49.4 12.712.7 6.16.1 4.94.9...
Use the given statement to represent a claim. Write its complement and state which is Upper...
Use the given statement to represent a claim. Write its complement and state which is Upper H 0H0 and which is Upper H Subscript aHa. p greater than 0.45p>0.45 Find the complement of the claim. p ▼ not equals≠ less than or equals≤ greater than or equals≥ less than< greater than> 0.45
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