1) Use the table below to answer the following questions about a group of 92 parents. Answer in reduced fractions and corresponding decimal to the nearest hundredth. # of Children 0 1 2 3 or more Total From the U.S 9 20 7 6 42 From outside the U.S 18 2 11 19 50 Total 27 22 18 25 92 a) What is the probability that someone is from the U.S and has one child? "probability" = fraction or decimal P(A & B)=P(A)*P(B) b) What is the probability that someone is from the U.S or has 0 children? "probability" = fraction or decimal P(A or B) = P(A)+P(B)-P(A intersect B) %3D c) Given that the person is from the U.S., what is the probability that they have 3 or more children? "probability" = fraction or decimal "given that" = conditional Probability = use different denominator.42 total from row that has "given that" %3D %3D

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1) Use the table below to answer the following questions about a group of 92 parents. Answer in
reduced fractions and corresponding decimal to the nearest hundredth.
# of Children
1
3 or more
Total
From the U.S
9.
20
6.
42
From outside the U.S
18
11
19
50
Total
27
22
18
25
92
a) What is the probability that someone is from the U.S and has one child? "probability" = fraction or
decimal P(A & B)=P(A)*P{B)
b) What is the probability that someone is from the U.S or has 0 children? "probability" = fraction or
decimal P(A or B) = P(A)+P(B)-P(A intersect B)
c) Given that the person is from the U.S., what is the probability that they have 3 or more children?
"probability" = fraction or decimal "given that" = conditional Probability = use different
denominator..42 total from row that has "given that"
d) If we know that the person has 1 child, what is the probability that person is from the U.S.?
"probability" = fraction or decimal "we know" = conditional Probability = use different denominator..22
total from row that has "we know"
Transcribed Image Text:1) Use the table below to answer the following questions about a group of 92 parents. Answer in reduced fractions and corresponding decimal to the nearest hundredth. # of Children 1 3 or more Total From the U.S 9. 20 6. 42 From outside the U.S 18 11 19 50 Total 27 22 18 25 92 a) What is the probability that someone is from the U.S and has one child? "probability" = fraction or decimal P(A & B)=P(A)*P{B) b) What is the probability that someone is from the U.S or has 0 children? "probability" = fraction or decimal P(A or B) = P(A)+P(B)-P(A intersect B) c) Given that the person is from the U.S., what is the probability that they have 3 or more children? "probability" = fraction or decimal "given that" = conditional Probability = use different denominator..42 total from row that has "given that" d) If we know that the person has 1 child, what is the probability that person is from the U.S.? "probability" = fraction or decimal "we know" = conditional Probability = use different denominator..22 total from row that has "we know"
1) Use the table below to answer the following questions about a group of 92 parents. Answer in
reduced fractions and corresponding decimal to the nearest hundredth.
# of Children
1
2
3 or more
Total
From the U.S
9.
20
7
42
From outside the U.S
18
11
19
50
Total
27
22
18
25
92
a) What is the probability that someone is from the U.S and has one child? "probability" = fraction or
decimal P(A & B)=P(A)*P(B)
b) What is the probability that someone is from the U.S or has 0 children? "probability" = fraction or
decimal P(A or B) = P(A)+P(B)-P(A intersect B)
c) Given that the person is from the U.S., what is the probability that they have 3 or more children?
"probability" = fraction or decimal “given that" = conditional Probability = use different
denominator.42 total from row that has "given that"
d) If we know that the person has 1 child, what is the probability that person is from the U.S.?
"probability" = fraction or decimal "we know" = conditional Probability = use different denominator..22
total from row that has "we know"
Transcribed Image Text:1) Use the table below to answer the following questions about a group of 92 parents. Answer in reduced fractions and corresponding decimal to the nearest hundredth. # of Children 1 2 3 or more Total From the U.S 9. 20 7 42 From outside the U.S 18 11 19 50 Total 27 22 18 25 92 a) What is the probability that someone is from the U.S and has one child? "probability" = fraction or decimal P(A & B)=P(A)*P(B) b) What is the probability that someone is from the U.S or has 0 children? "probability" = fraction or decimal P(A or B) = P(A)+P(B)-P(A intersect B) c) Given that the person is from the U.S., what is the probability that they have 3 or more children? "probability" = fraction or decimal “given that" = conditional Probability = use different denominator.42 total from row that has "given that" d) If we know that the person has 1 child, what is the probability that person is from the U.S.? "probability" = fraction or decimal "we know" = conditional Probability = use different denominator..22 total from row that has "we know"
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