A service station owner believes that equal numbers of customers prefer to buy gasoline on every day of the week. A manager at the service station disagrees with the owner and claims that the number of customers who prefer to buy gasoline on each day of the week varies. Test the manager's claim using a = 0.10. The owner surveyed 800 customers over a period of time to record each customer's preferred day of the week. Preferred Day to Buy Gasoline Mon. Wed. Thurs. Fri. Sat. Sun. Tues. 126 98 Number 96 99 129 125 127 Copy Data Step 1 of 4: State the null and alternative hypotheses in terms of the expected proportion for each day. Enter your answer as a fraction or a decimal rounded to six decimal places, if necessary. Ho: Pi = Ha: There is a difference in the number of customers from day to day.
A service station owner believes that equal numbers of customers prefer to buy gasoline on every day of the week. A manager at the service station disagrees with the owner and claims that the number of customers who prefer to buy gasoline on each day of the week varies. Test the manager's claim using a = 0.10. The owner surveyed 800 customers over a period of time to record each customer's preferred day of the week. Preferred Day to Buy Gasoline Mon. Wed. Thurs. Fri. Sat. Sun. Tues. 126 98 Number 96 99 129 125 127 Copy Data Step 1 of 4: State the null and alternative hypotheses in terms of the expected proportion for each day. Enter your answer as a fraction or a decimal rounded to six decimal places, if necessary. Ho: Pi = Ha: There is a difference in the number of customers from day to day.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 26PFA
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Step 2: Calculate the expected value for the number of customers on Tuesday. Enter your answer as a fraction or a decimal rounded to three decimal places.
Step 3: Compute the value of the test statistic. Round any intermediate calculations to at least six decimal places, and round your final answer to three decimal places.
Step 4: Draw a conclusion and interpret the decision.
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