Construct the Confidence Interval for the proportion. 7) In a survey of 2480 golfers, 372 said they were left-handed. Construct a 92% confidence interval for the of left-handed golfers from this sample. A) (0.1250, 0.1565) B) (0.1375, 0.1625) C) (0.1125, 0.1900) D) (0.1870, 0.2150) 8) A survey of 280 homeless persons showed that 63 were veterans. Construct a 90% confidence interval for the proportion of homeless persons who are veterans. A) (0.167, 0.283) B) (0.184, 0.266) C) (0.161, 0.289) D) (0.176, 0.274) Minimum Sample size for proportion (Special formula) 9) A pollster wishes to estimate the proportion of United States voters who favor capital punishment. How large a sample is needed in order to be 98% confident that the sample proportion will not differ from the true proportion by more than 3%? A) 1068 B) 1509 C) 20 D) 3017 800 homes sold in 2004 is obtained probability that at most 200 homes are gn pe used as investment property? A) 0.5935 C) 0.0934 B) 0.4065, D) 0.9095
Construct the Confidence Interval for the proportion. 7) In a survey of 2480 golfers, 372 said they were left-handed. Construct a 92% confidence interval for the of left-handed golfers from this sample. A) (0.1250, 0.1565) B) (0.1375, 0.1625) C) (0.1125, 0.1900) D) (0.1870, 0.2150) 8) A survey of 280 homeless persons showed that 63 were veterans. Construct a 90% confidence interval for the proportion of homeless persons who are veterans. A) (0.167, 0.283) B) (0.184, 0.266) C) (0.161, 0.289) D) (0.176, 0.274) Minimum Sample size for proportion (Special formula) 9) A pollster wishes to estimate the proportion of United States voters who favor capital punishment. How large a sample is needed in order to be 98% confident that the sample proportion will not differ from the true proportion by more than 3%? A) 1068 B) 1509 C) 20 D) 3017 800 homes sold in 2004 is obtained probability that at most 200 homes are gn pe used as investment property? A) 0.5935 C) 0.0934 B) 0.4065, D) 0.9095
A First Course in Probability (10th Edition)
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ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
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Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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Transcribed Image Text:Construct the Confidence Interval for the proportion.
7) In a survey of 2480 golfers, 372 said they were left-handed. Construct a 92% confidence interval for the
of left-handed golfers from this sample.
A) (0.1250, 0.1565)
B) (0.1375, 0.1625)
C) (0.1125, 0.1900)
D) (0.1870, 0.2150)
8) A survey of 280 homeless persons showed that 63 were veterans. Construct a 90% confidence interval for the
proportion of homeless persons who are veterans.
A) (0.167, 0.283)
B) (0.184, 0.266)
C) (0.161, 0.289)
D) (0.176, 0.274)
Minimum Sample size for proportion (Special formula)
9) A pollster wishes to estimate the proportion of United States voters who favor capital punishment. How large a
sample is needed in order to be 98% confident that the sample proportion will not differ from the true proportion
by more than 3%?
A) 1068
B) 1509
C) 20
D) 3017
800 homes sold in 2004 is obtained
probability that at most 200 homes are gn
pe used as investment property?
A) 0.5935
C) 0.0934
B) 0.4065,
D) 0.9095
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