you work from 7:00 am to 11:00 am and from 12:00pm to 4:00 pm. your hourly rate is $7.50. You do not work overtime. Find the hours work and the total pay for the week.

An assembly consists of two mechanical components. suppose that the probabilities that the first and second components meet specifications are 0.87 and 0.84. assume that the components are independent. determine the probability mass function of the number of components in the assembly that meet specifications. x

Agreeting card company can produce a box of cards for $7.50. if the initial investment by the company was $50,000, how many boxes of cards must be produced before the average cost per box falls to $10.50?

Can someone check if i did this correct. it’s number 4 if you’re wondering.