Mathematics, 20.02.2020 07:00, xelynncaldera
A poll shows that 50% of students play sports. A random sample of 20 students showed that 70% of them play sports.
A number generator was used to simulate 20 samples from a population in which 50% of students play sports. The results are shown in the dot plot.
What is the chance of getting a sample proportion of 70% or greater?
A.0.2
B.0.3
C.0.4
D.0.6
Answers: 3
Mathematics, 21.06.2019 21:40, skylarbrown018
The number of chocolate chips in a bag of chocolate chip cookies is approximately normally distributed with a mean of 12611261 chips and a standard deviation of 118118 chips. (a) determine the 2626th percentile for the number of chocolate chips in a bag. (b) determine the number of chocolate chips in a bag that make up the middle 9696% of bags. (c) what is the interquartile range of the number of chocolate chips in a bag of chocolate chip cookies?
Answers: 2
Mathematics, 22.06.2019 02:30, ladypink94
P= price tax is 4% added to the price. which expression shows the total price including tax?
Answers: 3
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