Need help on question 1 must show all steps please

Due: Wed Apr 13, 2022 11:59pm Attempt 1 IN PROGRESS Add Comment Next Up: Submit Assignment DIRECTIONS Use the attached rubric to complete the following 8 tasks. You may write or type your work/solutions. Be sure to show every step of hypothesis testing procedures. 1. In the manual "How to Have a Number One the Easy Way," it is stated that a song "must be no longer than three minutes and thirty seconds (210 seconds)". A simple random sample of 40 current hit songs results in a mean length of 252.5 seconds. Assume that the standard deviation of all such song lengths is 54.5 sec. Use a 0.05 significance level to test the claim that the sample is from a population of songs with a mean greater than 210 seconds. 2. A simple random sample of FICO scores is listed below. The mean FICO score is reported to be 678. Assuming that the standard deviation of all FICO from a population with a mean equal to