Mathematics, 23.04.2020 20:22 grace783
The mean amount for all of the invoices for your company last month is not known. Based on your past experience, you are willing to assume that the standard deviation of invoice amounts is about $260.
a. If you take a random sample of 100, what is the value of the standard deviation for x?
b. Using the 68-95-99.7 rule, the probability is about 0.997 that x is within what amount of the population mean µ?
Answers: 1
Mathematics, 21.06.2019 16:40
This question awards 100 ! i really don’t want to fail i will also mark you !
Answers: 2
Mathematics, 21.06.2019 17:00
Tim's phone service charges $23.06 plus an additional $0.22 for each text message sent per month. if tim's phone bill was $28.56, which equation could be used to find how many text messages, x, tim sent last month?
Answers: 2
Mathematics, 21.06.2019 17:30
Arecipe uses 2 cups of sugar to make 32 brownies. how many cups of sugar are needed to make 72 brownies?
Answers: 1
Mathematics, 21.06.2019 19:00
If (x-2) 2= 49, then x could be a. -9 b. -7 c.- 2 d. 5 e.9
Answers: 2
The mean amount for all of the invoices for your company last month is not known. Based on your past...
Mathematics, 16.07.2020 04:01
Advanced Placement (AP), 16.07.2020 04:01