A survey of US adults ages 18-29 found that 93% use the Internet. You randomly select 100 adults ages 18-29 and ask them if they use the Internet. Find the probability that: a) b) c) Exactly 90 people say they use the Internet. At least 90 people say they use the Internet. That fewer than 90 people say they use the Internet.

MATLAB: An Introduction with Applications
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A survey of US adults ages 18-29 found that 93% use the Internet. You randomly
select 100 adults ages 18-29 and ask them if they use the Internet.
Find the probability that:
a)
b)
c)
d)
Exactly 90 people say they use the Internet.
At least 90 people say they use the Internet.
That fewer than 90 people say they use the Internet.
Are any of the probabilities in parts (a) and (c) unusual?
Transcribed Image Text:A survey of US adults ages 18-29 found that 93% use the Internet. You randomly select 100 adults ages 18-29 and ask them if they use the Internet. Find the probability that: a) b) c) d) Exactly 90 people say they use the Internet. At least 90 people say they use the Internet. That fewer than 90 people say they use the Internet. Are any of the probabilities in parts (a) and (c) unusual?
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