You have a jar containing 10,000 equal-sized and -weighted jelly beans. 6,000 of the jelly beans...
You have a jar containing 10,000 equal-sized and -weighted jelly beans. 6,000 of the jelly beans in the jar are red and 4,000 of the jelly beans in the jar are blue. You shake up the jar, close your eyes, and pull out 600 jelly beans. With 95% confidence, you predict that the percentage of blue jelly beans in your sample will be within what range?
which of the following is the correct answer
(38%, 42%)
(56%, 64%)
(58%, 62%)
(36%, 44%)
Homework Answers
Population proportion = 4000/10000 = 0.40
Standard error
= 0.02
For 95% confidence, z = 2
Hence,
Sample percentage range will be:
(0.40 - 2*0.02, 0.40 + 2*0.02)
(0.36, 0.44)
(36%, 44%)
Option D is correct.
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:13-19 Every home football game for the past eight years at Eastern State University has been sold out. The revenues from ticket sales are significant, but the sale of food, beverages, and souvenirs has contrib- uted greatly to the overall profitability of the football program. One particular souvenir is the football pro- gram for each game. The number of programs sold at each game is described by the following probabil- ity distribution:...
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b. Explain why you chose this technique over others.
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(please see attachment on Blackboard) provides details of data and
analysis on the topic of “patient satisfaction”. A hospital
administrator wished to study the relation between patient
satisfaction (Y) and patients’ age (X1, in years) , severity of
illness (X2), and anxiety level (X3).
The output includes a listing of all
46 observations; descriptive statistics for each variable; and, the
results of a regression analysis that uses patient satisfaction as
the dependent variable, and patient’s...
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