Mathematics
Mathematics, 12.12.2020 16:20, shanicet047ox9ff6

A recent 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 that students 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 are the correct null hypothesis and alternate hypothesis? H0: Mu = 195; Ha: Mu greater-than 195
H0: Mu not-equals 195; Ha: Mu = 208
H0: Mu = 195; Ha: Mu not-equals 195
H0: Mu = 195; Ha: Mu greater-than-or-equal-to 208

answer
Answers: 3

Other questions on the subject: Mathematics

image
Mathematics, 21.06.2019 16:00, johrenandez
What two criteria are needed for triangles to be similar
Answers: 2
image
Mathematics, 21.06.2019 17:00, YwnDerek
Which inequality comparing two of the expressions is true when 0.7 < x < 0.9
Answers: 1
image
Mathematics, 21.06.2019 17:30, tommyaberman
(least common multiples) the answer that i had in the 1st step was lcm of airline tickets sold=72. idk if that even matters but just in case. ! three co-workers are busy selling airline tickets over the phone. in an 8-hour day, charles can sell 8 airline tickets, ann can sell 9 airline tickets, and michelle can sell 6 airline tickets. step 2 of 2: what is the smallest number of 8-hour days needed for each of them to achieve the same number of sales? it takes charles . it takes . it takes .
Answers: 1
image
Mathematics, 21.06.2019 19:10, alarconanais07
Labc is reflected across x = 1 and y = -3. what are the coordinates of the reflection image of a after both reflections?
Answers: 3
Do you know the correct answer?
A recent survey of 8,000 high school students found that the mean price of a prom dress was $195.00...

Questions in other subjects:

Konu
Mathematics, 19.12.2020 05:40
Konu
Chemistry, 19.12.2020 05:40
Konu
English, 19.12.2020 05:40