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The Overhead Reach Distances Of Adult Females Are Normally Distributed With A Mean Of 200 Cm200 cm And A Standard Deviation Of 8 Cm8 cm.a. Find The Probability That An Individual Distance Is Greater Than 213.40213.40 Cm.b. Find The Probability That The Mean For 1515 Randomly Selected Distances Is Greater Than 198.70 Cm.198.70 cm.c. Why Can The Normal Distribution Be Used In Part​ (b), Even Though The Sample Size Does Not Exceed​ 30? - Math Discussion

The overhead reach distances of adult females are normally distributed with a mean of 200 cm200 cm and a standard deviation of 8 cm8 cm.a. Find the probability that an individual distance is greater than 213.40213.40 cm.b. Find the probability that the mean for 1515 randomly selected distances is greater than 198.70 cm.198.70 cm.c. Why can the normal distribution be used in part​ (b), even though the sample size does not exceed​ 30?

2018-11-19 14:59:24
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