Mathematics, 07.03.2020 04:34 peno211
For tyhe population of individuals who own an iPhone, suppose p= 0.25 is the proportion that has a given app. For a particular iPhone owner, let x=1 if they have the app and x=0 otherwise. For a random sample of 50 people who have an iPhone:
a. State the population distribution (that is, the probability distribution of X for each observation).
b. Find the mean of the sampling distribution of the sample proportion who have the app among the 50 people.
c. Find the standard deviation of the sampling distribution of the sample proportion who have the app among the 50 people.
d. Explain what the standard deviation in part (c) describes.
Answers: 2
Mathematics, 21.06.2019 16:20
7.(03.01 lc)which set represents the range of the function shown? {(-1, 5), (2,8), (5, 3), 13, -4)} (5 points){-1, 2, 5, 13){(5, -1), (8, 2), (3,5), (-4, 13)){-4, 3, 5, 8}{-4, -1, 2, 3, 5, 5, 8, 13}
Answers: 3
Mathematics, 21.06.2019 19:30
The total ticket sales for a high school basketball game were $2,260. the ticket price for students were $2.25 less than the adult ticket price. the number of adult tickets sold was 230, and the number of student tickets sold was 180. what was the price of an adult ticket?
Answers: 2
Mathematics, 21.06.2019 20:00
Will possibly give brainliest and a high rating. choose the linear inequality that describes the graph. the gray area represents the shaded region. 4x + y > 4 4x β y β₯ 4 4x + y < 4 4x + y β₯ 4
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Mathematics, 22.06.2019 00:20
G. how many different 6-letter arrangements can be formed using the letters in the word absent, if each letter is used only once? a. 6 b. 36 c. 720 d. 46,656
Answers: 1
For tyhe population of individuals who own an iPhone, suppose p= 0.25 is the proportion that has a g...
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