he weekly earnings of students in one age group are normally distributed with a standard deviation of96dollars. A researcher wishes to estimate the mean weekly earnings of students in this age group. Find thesample size needed to assure with 95 percent confidence that the sample mean will not differ from thepopulation mean by more than5 dollars.

Aboat costs 19200 and decreases in value by 12% per year. how much will it cost in 5 years

Ten members of balin's soccer team ran warm ups for practice. each member ran the same distance. their combined distance was 5/6 of a mile. to find the distance that each member ran, balin wrote the expression below.

Astandard deck of cards contains 52 cards. one card is selected from the deck. (a) compute the probability of randomly selecting a diamond or heart. (type an integer or a decimal rounded to three decimal places as needed.) (b) compute the probability of randomly selecting a diamond or heart or club. (type an integer or a decimal rounded to three decimal places as needed.) (c) compute the probability of randomly selecting queen or club. (type an integer or a decimal rounded to three decimal places as needed.)