Mathematics, 16.10.2019 05:30 flax05

Arecent survey of 8,000 high school students found that the mean price of a prom dress was $195.00 with a standard deviation of $12.00. alyssa thinks that her school is more fashion conscious and spent more than $195.00. she collected data from 20 people in her high school and found that the average price spent on a prom dress was $208.00. which of the following is the correct z-statistic for this situation?

Answers: 3

Show answers

Another question on Mathematics

Mathematics, 21.06.2019 14:30

An an average person has 6×10 by the power of two as many red blood cells as white blood cells a small sample of the blood has 7×10 by the power of three white blood cells about how many red blood cells are in the sample

Answers: 1

Answer

Mathematics, 21.06.2019 18:40

A33 gram sample of a substance that's used to detect explosives has a k-value of 0.1473. n = noekt no = initial mass (at time t = 0) n = mass at time t k = a positive constant that depends on the substance itself and on the units used to measure time t = time, in days

Answers: 1

Answer

Mathematics, 21.06.2019 23:00

Suppose that 15 inches of wire cost 60 cents. at the same rate, how much (in cents) will 12 inches of wire cost

Answers: 2

Answer

Mathematics, 22.06.2019 00:30

Me i’m stuck on all these questions besides the two bottom ones

Answers: 2

Answer

You know the right answer?

Arecent survey of 8,000 high school students found that the mean price of a prom dress was $195.00 w...