amandasantiago2001
28.06.2019 •
Mathematics
Use the table from a random survey about the preferred service for streaming movies. out of 750 people, how many would you expect to prefer company b?
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Ответ:
The correct answer option is 192.
Step-by-step explanation:
We are given the results of a random survey about the preferred service for streaming movies.
We are to find the number of people we would expect to prefer Company B.
Number of people using service B = 32
Total number of people = 125
Number of people expected to prefer Company B = = 192
Ответ:
Option A
192 people[
Step-by-step explanation:
From the participation survey
people
Among these 125 people, only 32 preferred the company B
Now assuming that this sample is representative of the total population, then the probability that a randomly selected person prefers company B is:
Where
Finally, the expected number of people who prefer company B is:
Where m is the number of people in the total population.
Ответ:
answer is A
Step-by-step explanation:
A. 24/6 x 10
B. 24/10 x 6
C. 6/10 x 24
D. 6/24 x 10