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Julia Smith is checking recent same day delivery orders for her bakery, Sweets by Julia. In the past, 86% of same day orders were completed on the same day. Julia wants to see if this is still accurate. She takes a sample of 28 orders and finds that 23 were completed on the same day. Using a significance level of 0.05, has the population of deliveries completed on the same day gone down?

Julia Smith is checking recent same-day delivery orders for her bakery, Sweets by Julia. In the past, 86% of same day orders were completed on the same day. Julia wants to see if this is still accurate. She takes a sample of 28 orders and finds that 23 were completed the same day. Using a significance level of 0.05 , has the proportion of dellveries completed on the same day gone down? a. What are the null and alternate hvootheses? ( 2 points) b. What is the level of significance? (1 point) (Round your answer to 2 decimal places.) c. Compute the value of the test statistic? (2 points) (Round your answer to 2 decimal places. Negative values should have a minus sign in front of them) d. Determine the p-value (2 points) (Round your final answer to 4 decimal places.) e. What is your decision regarding the null hypothesis? (1 point) Reject the null. Fail to reject the nuil. Julla Smith is checking recent same-day delivery orders for her bakery, Sweets by Julia. In the past, 86% of same day orders were completed on the same day. Julla wants to sce if this is still accurate. She takes a sample of 28 orders and finds that 23 were completed the same day. Using a significance level of 0.05 , has the proportion of deliveries completed on the same day gone down? a. What are the null and alternate hvootheses? ( 2 points) H0:H1:0.860.86 b. What is the level of significance? (1 point) (Round your answer to 2 decimal places.) c. Compute the value of the test statistic? (2 points) (Round your answer to 2 decimal places, Negative values should have a minus sign in front of them) d. Determine the -value ( 2 points) (Round your final answer to 4 decimal places.) e. What is your decision regarding the null hypothesis? (1 point) Reject the null. Fail to reject the null. f. Interpret the result. (2 points)

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