26.-/1 pointsBBBasicStat8 7.3.009 Assume that x has a normal distribution with t

Question

26.-/1 pointsBBBasicStat8 7.3.009 Assume that x has a normal distribution with the specified mean and standard deviation. Find the indicated probability. (Round your answer to four decimal places.) 13.6; 2.8 Need Help? 27,-/1 pointsBBBaskStat8 7.3.01 1. Assume that x has a normal distribution with the specified mean and standard deviation. Find the indicated probability. (Round your answer to four decimal places.) 28.-/2 points8BBascStat8 7.3.015.MI Find z such that 6% of the standard normal curve lies to the left of Z. (Round your answer to tree decimal place Sketch the area described.

Explanation / Answer

26)

( pleas try 0.2616 if above does not work due to rounding)

27)

28)z =-1.555

top right curve is correct

for normal distribution z score =(X-)/ here mean=       = 13.6 std deviation   == 2.800

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