subject
Mathematics, 26.01.2021 02:40 lazymarshmallow7

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

ansver
Answers: 3

Other questions on the subject: Mathematics

image
Mathematics, 21.06.2019 16:30, WowOK6119
Data are collected to see how many ice-cream cones are sold at a ballpark in a week. day 1 is sunday and day 7 is the following saturday. use the data from the table to create a scatter plot.
Answers: 3
image
Mathematics, 21.06.2019 16:50, gesic2003
Rockwell hardness of pins of a certain type is known to have a mean value of 50 and a standard deviation of 1.1. (round your answers to four decimal places.) (a) if the distribution is normal, what is the probability that the sample mean hardness for a random sample of 8 pins is at least 51?
Answers: 3
image
Mathematics, 21.06.2019 17:50, AdanNava699
Find the cosine function that is represented in the graph.
Answers: 1
image
Mathematics, 21.06.2019 18:00, paigejohnson6161
State if the two triangles are congruent. if they are, state how you know?
Answers: 1
You know the right answer?
A poll shows that 50% of students play sports. A random sample of 20 students showed that 70% of the...

Questions in other subjects: