70e17fb3-a-health-study-estimates-the-standard-deviation-of-daily-step-counts-as

Question

A health study estimates the standard deviation of daily step counts as σ=9.8\sigma=9.8.  How many participants are required to estimate the mean daily steps within 22 steps with 99%99\% confidence?

Accepted Answer

160160

Answer

154154

Answer

141141

Answer

157157

A health study estimates the standard deviation of daily step counts as σ=9.8\(\sigma\)=9.8. How many participants are required to estimate the mean daily steps within 22 steps with 99%99\% confidence?

A health study estimates the standard deviation of daily step counts as $sigma equals 9.8$ . How many participants are required to estimate the mean daily steps within $2$ steps with $99 percent sign$ confidence?