a. Find the probability of getting exactly 1 girl in 8 births. |(Type an integer or a decimal. Do not round.) b. Find the probability of getting 1 or fewer girls in 8 births. (Type an integer or a decimal. Do not round.) c. Which probability is relevant for determining whether 1 is a significantly low number of girls in 8 births: the result from part (a) or part (b)? O A. Since getting 0 girls is an even lower number of girls than getting 1 girl, the result from part (b) is the relevant probability. O B. Since the probability of getting 1 girl is the result from part (a), this is the relevant probability. OC. Since the probability of getting 0 girls is less likely than getting 1 girl, the result from part (a) is the relevant probability. Probability Distribution for x O D. Since the probability of getting more than 1 girl is the complement of the result from part (b), this is the relevant probability. d. Is 1 a significantly low number of girls in 8 births? Why or why not? Use 0.05 as the threshold for a significant event. Number of Girls x P(x) O A. No, since the appropriate probability is greater than 0.05, it is not a significantly low number. 0.005 1 0.007 O B. No, since the appropriate probability is less than 0.05, it is not a significantly low number. OC. Yes, since the appropriate probability is greater than 0.05, it is a significantly low number. 0.116 0.224 0.296 0.224 4 O D. Yes, since the appropriate probability is less than 0.05, it is a significantly low number. 6. 0.116 0.007 8 0.005
a. Find the probability of getting exactly 1 girl in 8 births. |(Type an integer or a decimal. Do not round.) b. Find the probability of getting 1 or fewer girls in 8 births. (Type an integer or a decimal. Do not round.) c. Which probability is relevant for determining whether 1 is a significantly low number of girls in 8 births: the result from part (a) or part (b)? O A. Since getting 0 girls is an even lower number of girls than getting 1 girl, the result from part (b) is the relevant probability. O B. Since the probability of getting 1 girl is the result from part (a), this is the relevant probability. OC. Since the probability of getting 0 girls is less likely than getting 1 girl, the result from part (a) is the relevant probability. Probability Distribution for x O D. Since the probability of getting more than 1 girl is the complement of the result from part (b), this is the relevant probability. d. Is 1 a significantly low number of girls in 8 births? Why or why not? Use 0.05 as the threshold for a significant event. Number of Girls x P(x) O A. No, since the appropriate probability is greater than 0.05, it is not a significantly low number. 0.005 1 0.007 O B. No, since the appropriate probability is less than 0.05, it is not a significantly low number. OC. Yes, since the appropriate probability is greater than 0.05, it is a significantly low number. 0.116 0.224 0.296 0.224 4 O D. Yes, since the appropriate probability is less than 0.05, it is a significantly low number. 6. 0.116 0.007 8 0.005
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:The accompanying table describes results from groups of 8 births from 8 different sets of parents. The random variable x represents the number of girls among 8 children. Complete parts (a)
through (d) below.
E Click the icon to view the table.
a. Find the probability of getting exactly 1 girl in 8 births.
(Type an integer or a decimal. Do not round.)
b. Find the probability of getting 1 or fewer girls in 8 births.
(Type an integer or a decimal. Do not round.)
c. Which probability is relevant for determining whether 1 is a significantly low number of girls in 8 births: the result from part (a) or part (b)?
O A. Since getting 0 girls is an even lower number of girls than getting 1 girl, the result from part (b) is the relevant probability.
O B. Since the probability of getting 1 girl is the result from part (a), this is the relevant probability.
OC. Since the probability of getting 0 girls is less likely than getting 1 girl, the result from part (a) is the relevant probability.
Probability Distribution for x
O D. Since the probability of getting more than 1 girl is the complement of the result from part (b), this is the relevant probability.
d. Is 1 a significantly low number of girls in 8 births? Why or why not? Use 0.05 as the threshold for a significant event.
Number of
Girls x
P(x)
O A. No, since the appropriate probability is greater than 0.05, it is not a significantly low number.
0.005
1
0.007
O B. No, since the appropriate probability is less than 0.05, it is not a significantly low number.
0.116
0.224
O C. Yes, since the appropriate probability is greater than 0.05, it is a significantly low number.
O D. Yes, since the appropriate probability is less than 0.05, it is a significantly low number.
3
4
0.296
5
0.224
0.116
0.007
0.005
6
7
8
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