Good day,

I hope you are well.

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

Question I Question 1 10 points Save Answer The number of newspapers sold per day at a newspaper stand has a normal distribution with a mean of 160 and a standard deviation of 20. Determine the apppoximate percentage of days that the newspaper stand will sell between 100 and 180 newspapers. O 49.85% 0 0.34% 68% 0 84% None of the above Question 2 Question 2 10 points Save Answer If Z - N(0 , 1) calculate: : P( Z > - 3.41 ) O 0.9974 O 0.0223 0 0.9445 0.0003 O 0.9429 O 0.9997 Question 3 Question 3 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 How many bulbs in a consignment of 700 could be expected to have a life of 710 to 830 hours? O 0.7333 O 0.1571 O 513 955 O 110