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A recent study has shown that 28% of 18-34 year olds check their Facebook/Instagram feeds before...

A recent study has shown that 28% of 18-34 year olds check their Facebook/Instagram feeds before getting out of bed in the morning,

If we sampled a group of 150 18-34 year olds, what is the probability that the number of them who checked their social media before getting out of bed is:

a.) At least 31?

b.) No more than 52?

c.) between 36 and 44 (including 36 and 44)?

Math   Statistics-And-Probability   
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