Suppose you wish to perform a hypothesis test for a population mean. suppose that the population standard diviation is unknown, the population is skwed to the right and the sample is large. woudl you perform a z test or a t test

You would Perform a z test

Answer for 2: his profit would be $2.88 explanation: you have to first multiply 72 and 0.12 together to get $8.64 once you do that you know how much money the shopkeeper made from selling the candy bars individually. so you have to do 8.64-5.76=2.88 hope that ; )answer for 3: yeah i’m sorry i have no idea what number 3 is. i’m sorry i couldn’t with that.

Wow. that is a really cool question.