The probability histogram to the right represents the number of live births by a mother 47 to 51 years old who had a live birth in 2012. 0.30- 0.25- 0.20- 0.172 0.15- 을 0.10-- 0.05- 0.00- 0.112 0.094 0.057 0.028 0.037 Child (a) What is the probability that a randomly selected 47- to 51-year-old mother who had a live birth in 2012 has had her fourth live birth? (Type an integer or a decimal.) (b) What is the probability that a randomly selected 47- to 51-year-old mother who had a live birth in 2012 has had her fourth or fifth live birth? (Type an integer or a decimal.) (c) What is the probability that a randomly selected 47- to 51-year-old mother who had a live birth in 2012 has had her sixth or more live birth? (Type an integer or a decimal.) (d) If a 47- to 51-year-old mother who had a live birth in 2012 is randomly selected, how many live births would you expect the mother to have had?
The probability histogram to the right represents the number of live births by a mother 47 to 51 years old who had a live birth in 2012. 0.30- 0.25- 0.20- 0.172 0.15- 을 0.10-- 0.05- 0.00- 0.112 0.094 0.057 0.028 0.037 Child (a) What is the probability that a randomly selected 47- to 51-year-old mother who had a live birth in 2012 has had her fourth live birth? (Type an integer or a decimal.) (b) What is the probability that a randomly selected 47- to 51-year-old mother who had a live birth in 2012 has had her fourth or fifth live birth? (Type an integer or a decimal.) (c) What is the probability that a randomly selected 47- to 51-year-old mother who had a live birth in 2012 has had her sixth or more live birth? (Type an integer or a decimal.) (d) If a 47- to 51-year-old mother who had a live birth in 2012 is randomly selected, how many live births would you expect the mother to have had?
Chapter8: Sequences, Series,and Probability
Section8.7: Probability
Problem 11ECP: A manufacturer has determined that a machine averages one faulty unit for every 500 it produces....
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Transcribed Image Text:The probability histogram to the right represents the number of live births by a
mother 47 to 51 years old who had a live birth in 2012.
0.30-
0.267
0.25-
0.233
0.20-
-0.172
0.15-
0.112
0.094
0.10-
0.057
0.05-
0.028 0.037
0.00-
1
4
6
7
8
Child
(a) What is the probability that a randomly selected 47- to 51-year-old mother who had a live birth in 2012 has had her fourth live birth?
|(Type an integer or a decimal.)
(b) What is the probability that a randomly selected 47- to 51-year-old mother who had a live birth in 2012 has had her fourth or fifth live birth?
| (Type an integer or a decimal.)
(c) What is the probability that a randomly selected 47- to 51-year-old mother who had a live birth in 2012 has had her sixth or more live birth?
| (Type an integer or a decimal.)
(d) If a 47- to 51-year-old mother who had a live birth in 2012 is randomly selected, how many live births would you expect the mother to have had?
(Round to one decimal place as needed.)
Probability
3-
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