19A telecommunications company wants to estimate the proportion of households that would purchase an additional telephone...
19A telecommunications company wants to estimate the proportion of households that would purchase an additional telephone line if it were made available at a substantially reduced installation cost. Data are collected from a random sample of 500 households. The results indicate that 160 of the households would purchase the additional telephone line at a reduced installation cost. Complete parts (a) and (b) below.
a. Construct a 99% confidence interval estimate for the population proportion of households that would purchase the additional telephone line.
__ is eqaul to or smaller than PIE is equal to or larger than __
b. How would the manager in charge of promotional programs concerning residential customers use the results in (a)?
A.
The manager can infer with 99% confidence that the population proportion of all households that would purchase an additional telephone line is somewhere in this interval.
B.
The manager can infer that 99% of households would purchase an additional telephone line.
C.
The manager can infer with 99% confidence that the proportion of households in the sample that would purchase an additional telephone line is somewhere in this interval.
D.
The manager can infer that the true population proportion of households that would purchase an additional telephone line is somewhere in this interval 99% of the time.
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19A telecommunications company wants to estimate the proportion
of households that would purchase an additional telephone...
Are you likely to purchase an item promoted by a celebrity on a social media site?...
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b. How would the manager in charge of promotional programs concerning residential costumers use the results...
b. How would the manager in charge of promotional
programs concerning residential costumers use the results in a.
STAT 206 Spring 2018 Ashwin Luther&3/18/18 3:30 AM ab Stati Homework: Homework8 - Sections 8.1-8.3 orses Score: 0 of 2 pts se Home 8.3.28-T 읊。 15 of 17 (8 complete) HW Score: 25%, 9 of 36 pts tions company wants to estimate the proportion of households that would purchase an aditional telephone line if it were made available at a -Question Help...
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Are you likely to purchase an item promoted by a celebrity on a social media site? According to a survey, 26% of social media users have made such a purchase Complete parts (a) through (d) below a Suppose that the survey had a sample size of n = 1000 Construct a 95% confidence n er a estima purchased an item promoted by a celebrity on a social media site. or the po a o opo on of soc al media...
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STAT 206 Spring 2018 Ashwin Luther&3/18/18 3:30 AM ab Stati Homework: Homework8 - Sections 8.1-8.3 orses Score: 0 of 2 pts se Home 8.3.28-T 읊。 15 of 17 (8 complete) HW Score: 25%, 9 of 36 pts tions company wants to estimate the proportion of households that would purchase an aditional telephone line if it were made available at a -Question Help...
The Labor Bureau wants to estimate, at a 90% confidence level, the proportion of all households that receive welfare. The most conservative estimate of the sample size that would limit the margin of error to be within 0.034 of the population proportion is:
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