Mathematics, 18.10.2019 10:30, Thatweirdgirly5

# 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?

a.0.24

b.4.85

c.7.51

d.58.14

Answers: 3

Mathematics, 21.06.2019 13:30, Gladistshiala267

Express the following as a function of a single angle, cos(60) cos(-20) - sin(60) sin(-20)

Answers: 3

Mathematics, 21.06.2019 14:30, sanchezvianna55

Find the value of tan theta if sin theta = 12/13 and theta is in quadrant 2

Answers: 1

Mathematics, 21.06.2019 17:30, lizzy2951

Someone this asap for a group of students attends a basketball game. * the group buys x hot dogs at the concession stand for $2 each. * the group buys y drinks at the concession stand for $3 each. the group buys 29 items at the concession stand for a total of $70. how many hot dogs did the group buy?

Answers: 2

Mathematics, 21.06.2019 18:00, amshearer4719

Aman is 6 feet 3 inches tall. the top of his shadow touches a fire hydrant that is 13 feet 6 inches away. what is the angle of elevation from the base of the fire hydrant to the top of the man's head?

Answers: 1

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

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