Golf-course designers have become concerned that old courses are becoming obsole

Question

Golf-course designers have become concerned that old courses are becoming obsolete since new technology has given golfers the ability to hit the ball so far. Designers, therefore, have proposed that new golf courses need be built expecting that the average golfer can me bat 250 yards on average. Suppose a random sample at 122 golfers be chosen so that their mean driving distance is 244.9 yards. The population standard deviation is 45.8 use a % significance level. Calculate the followings for a hypothesis test where H_0: mu = 250 and H_1: mu

Explanation / Answer

std error=std deviation/(n)1/2 =4.1465

hence test stat z=(X-mean)/std error =(244.9-250)/4.1465 =-1.2299

p value =0.1094

option A there is not sufficient...........

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