Can anyone solve 3 problem

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter6: Ratio, Proportion, And Probability
Section6.7: Probability And Odds
Problem 2E
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Can anyone solve 3 problem
Problem 3. If the probability is 0.60 that a divorcee will remarry within three years, find the
probabilities that of 5 divorcees
a) 3 of 5 divorcees will remarry within three years;
b) at least 3 will remarry within three years;
c)at most 3 will remarry within three years.
Problem 4. An electrical firm manufactures light bulbs that have a length of life that is normally
distributed with mean equal to 800 hours and a standard deviation of 40 hours. Find the probability that
a bulb burns between 778 and 834 hours.
ct
ромб
рат с
за к
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КТИВЕ
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Боемб
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EHO 3
mino
Transcribed Image Text:Problem 3. If the probability is 0.60 that a divorcee will remarry within three years, find the probabilities that of 5 divorcees a) 3 of 5 divorcees will remarry within three years; b) at least 3 will remarry within three years; c)at most 3 will remarry within three years. Problem 4. An electrical firm manufactures light bulbs that have a length of life that is normally distributed with mean equal to 800 hours and a standard deviation of 40 hours. Find the probability that a bulb burns between 778 and 834 hours. ct ромб рат с за к >рни КТИВЕ пред Боемб зател бива EHO 3 mino
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