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The diameter of a brand of ping-pong balls is approximately normally distributed, with a mean of 1.31 inches and a standard of 0.08 inch. A random sample of 4 ping-pong n (d) of the mean? O A. Because the population diameter of Ping-Pong balls is approximately normally distributed, the sampling distribution of samples of 4 will be the unilorm distribution O B. Because the population diameter of Ping-Pong balls is approximately normally distributed, the sampling distribution of samples of 4 will also be appraximately normal O C. Because the population diameter of Ping-Pong balls is approximately normally distributed, the sampling distibution of samples of 4 will not be approximately normal O D. Because the population diamoter of Ping-Pong balls is approximately normally distributed, the sampling distribution of samples of 4 can not be found b. What is the probability that the sample mean is less than 1.26 inches? PR126)- Round to four decmal Dlaces as needed.) Click to select your answer(s) 氬自 - O Type here to search Et
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a because the population diameter of fing-Pon g beuls is approximed ely normally distributed, the sampling distribuution of samples of 4 will also be approximotely nor mel b) p CX < 1.26): p ( X-4-, 1,26-1,31 ㄑㄨ 1.28-1.3 1.26 1.3 210

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