Confidence interval to estimate average age of all golfers

Reference no: EM1386564

The owner of a local golf course wanted to determine the average age of the golfers that played on the course. In a random sample of 30 golfers that visited his course, the sample mean was 48.34 and the standard deviation was 9.327. Calculate a 90% confidence interval to estimate the average age of all golfers.

1) (46.637, 50.043)

2) (-45.4464, 51.2336)

3) (46.6409, 50.0391)

4) (45.4464, 51.2336)

5) (45.4449, 51.2351)

Reference no: EM1386564

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