xkayliin xkayliin

25-08-2021
Mathematics

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PLEASEEE HELP ASAP!!!

A 90% confidence interval for a proportion is found to be (0.52, 0.58) . What is the sample proportion?

PLEASEEE HELP ASAP A 90 confidence interval for a proportion is found to be 052 058 What is the sample proportion class=

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evelynbackup6 evelynbackup6

25-08-2021

you want a 95 percent confidence interval, your z*-value is 1.96. The red light was hit 53 out of 100 times. So ρ = 53/100 = 0.53. Take the square root to get 0.0499.

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