A researcher wishes to estimate with 95 confidence the

Reference no: EM13620321

A researcher wishes to estimate, with 95% confidence, the proportion of adults who have high-speed internet access. Herestimate must be accurate within 1% of the true proportion.

A) find the minimum sample size needed, using a prior studythat found that 58% of the respondents said they have high speedinternet access.

B) No preliminary estimate is available. Find the minimumsample size needed.

1) what is the minimum sample size needed using a prior studythat found that 48% of the respondents said they have high-speedinternet access?

n = ? (round to nearest whole number as needed)

2) what is the minumum sample size needed assuming that nopreliminary estimate is available?

n = ? (round to nearest whole number as needed)

Reference no: EM13620321

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