For a normal distribution, verify that the probability (rounded to two decimal places) within
a) 2.23 standard deviations of the mean equals ________
b) Find the probability that falls within 1.35 standard deviations of the mean.
A)
P( -2.23 <Z <2.23 ) = 0.97
B) P( -1.35 <Z < 1.35) = 0.82
Solution file is attached go through it
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