Sir, i am stuck on this question no need of an explanation only answer

B} The mean life of a pair of shoes is 40 ntonths with a standard deviation of 3 months. If the life of the shoes is normally distributed. how many pairs of shoes out of one million will need replacement before 36 months? a; sonata at scans or 191,537 or 3:13.537 '5'} A golf tournament organizer is attempting to tlctcmtine whether hole (pin) placement has a significant impact on the average number of strokes for the 13th hole on a given golf course. Historically, the pin has been placed in the front right corner of the green and the historical mean number of strokes for the hole has been 4.25. with a standard deviation of [.6 strokes. [in a particular day during the most recent golf tournament. the organizer placed the hole {pin} in the back left corner of the green. Sixtyfour golfers played the hole with the new placement on that day. Determine the probability of the sample average number of strokes exceeding 4.75 using the historical mean and standard deviation. A} .9938 B} .4013 C] .0052 D] 31'33 [0} The intemal auditing staff of a local lawn-service company performs a sample audit each quarter to estimate the proportion of accounts that are current [between 0 and 60 days after billing}. The historical records show that over the past 3 years T0 percent of the accounts have been current. Determine the sample size needed in order to be 99 percent condent that the sample proportion of the current customer accounts is within .03 of the true proportion of all current accounts for this company. at 1342 a} 1549 C} as? D) as: E} [26