Question
A random sample of 160 commercial customers of Charter Communication revealed that 32 had paid their bills within a month of billing. The corresponding 90%
A random sample of 160 commercial customers of Charter Communication revealed that 32 had paid their bills within a month of billing. The corresponding 90% confidence interval for the true proportion of the customers who paid their bills within a month is
a. 0.148 to 0.252.
b. 0.138 to 0.262.
c. 0.144 to 0.256.
d. 0.153 to 0.247
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Elementary Statisitcs
Authors: Barry Monk
2nd edition
1259345297, 978-0077836351, 77836359, 978-1259295911, 1259295915, 978-1259292484, 1259292487, 978-1259345296
