A restaurant has a jar of red and white gumballs by the cash register, and invites customers to guess the proportion of red gumballs. Of the 55 gumballs that you can see, you count 34 red ones. Give a 90% confidence interval for the proportion of red gumballs in the jar, using the large-sample method. [ Select ] Suppose you had counted 49 red gumballs out of 55. Why would a plus-four confidence interval be preferable to a large-sample confidence interval in that case? [ Select ]

College Algebra (MindTap Course List)
12th Edition
ISBN:9781305652231
Author:R. David Gustafson, Jeff Hughes
Publisher:R. David Gustafson, Jeff Hughes
Chapter8: Sequences, Series, And Probability
Section8.7: Probability
Problem 58E: What is meant by the sample space of an experiment?
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A restaurant has a jar of red and white gumballs by the cash register,
and invites customers to guess the proportion of red gumballs. Of the
55 gumballs that you can see, you count 34 red ones. Give a 90%
confidence interval for the proportion of red gumballs in the jar, using
the large-sample method.
[ Select ]
Suppose you had counted 49 red gumballs out of 55. Why would a
plus-four confidence interval be preferable to a large-sample
confidence interval in that case?
[ Select ]
Transcribed Image Text:A restaurant has a jar of red and white gumballs by the cash register, and invites customers to guess the proportion of red gumballs. Of the 55 gumballs that you can see, you count 34 red ones. Give a 90% confidence interval for the proportion of red gumballs in the jar, using the large-sample method. [ Select ] Suppose you had counted 49 red gumballs out of 55. Why would a plus-four confidence interval be preferable to a large-sample confidence interval in that case? [ Select ]
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