Good day,

I hope you are well.

I would please like some assistance and an explanation on the following three questions individually.

Question 4 Question 4 10 points Save Answer Determine the following P ( Z > - 1.42) if Z - N (0 , 1) O 0.9222 O 0.8925 O 0.0778 O 0.1075 None of the above Question 5 Question 5 10 points Save Answer The number of seconds of continuous spray yielded by cans of a certain brand of deodorant spray is normally distributed with a mean of 260 seconds and a standard deviation of 15 seconds. What is the probability that a can selected a random will yield a continuous spray of duration between 245 and 275 seconds? O 0.8413 O 0.6826 O 0.5 O 0.8643 O 0.1587 Question 6 Question 6 10 points Save Answer The print on the package of 100-watt Wave Electric light bubs states that these bulbs have an average life of 750 hours. Also assume that the lives of all such bulbs have a normal distribution with standard deviation of 50 hours. What percentage of bulbs will have a life of more than 840 hours? O 0.03% O 0.9641 O 0.5120% O 0.488 3.59 %