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Liam is a professional darts player who can throw a bullseye 70% of the time. If he...

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Basic Math

Liam is a professional darts player who can throw a bullseye 70%of the time.

If he throws a dart 250 times, what is the probability he hits abulls eye:

a.) At least 185 times?

b.) No more than 180 times?

c.) between 160 and 185 times (including 160 and 185)?

Use the Normal Approximation to the Binomial distribution to answerthis question.

2. A recent study has shown that 28% of 18-34 year olds checktheir Facebook/Instagram feeds before getting out of bed in themorning,

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

a.) At least 30?

b.) No more than 51?

c.) between 35 and 49 (including 35 and 49)?

Use the Normal Approximation to the Binomial distribution to answerthis question.

Answer & Explanation Solved by verified expert
4.4 Ratings (799 Votes)
Question 1 Using Normal Approximation to Binomial Mean n P 250 07 175 Variance n P Q 250 07 03 525 Standard    See Answer
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