5. In a certain normal distribution, find the population mean u given that the population standard deviation is o = 5 and 5.48% of the area under the curve lies to the left of x 78. 16. A survey of 2450 golfers showed that 281 of them are left-handed. a. Find the point estimate p for the proportion of left-handed golfers. b. Construct a 95% confidence interval for the population proportion of left-handed golfers. nla aom oloqmalo nohudialb gilqmo vob bih

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15. In a certain normal distribution, find the population mean u given that the population standard
deviation is o=5 and 5.48% of the area under the curve lies to the left of x 78.
oiudino.lsimoaid so nohamixo l
16. A survey of 2450 golfers showed that 281 of them are left-handed.
a. Find the point estimate p for the proportion of left-handed golfers.
b. Construct a 95% confidence interval for the population proportion of left-handed golfers.
otsivob bbbns
Transcribed Image Text:15. In a certain normal distribution, find the population mean u given that the population standard deviation is o=5 and 5.48% of the area under the curve lies to the left of x 78. oiudino.lsimoaid so nohamixo l 16. A survey of 2450 golfers showed that 281 of them are left-handed. a. Find the point estimate p for the proportion of left-handed golfers. b. Construct a 95% confidence interval for the population proportion of left-handed golfers. otsivob bbbns
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