Given a normal distribution with (mean) ?= 50 and (standard
deviation) ? = 4, what is...
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Given a normal distribution with (mean) ?= 50 and (standarddeviation) ? = 4, what is the probability that
NOTE: I'd like to learn how to do this in the shortestway possible on ti 84 plus calculator.
a) x>43
b) x<42
c) x>57.5
d) 42
e) x<40 or x>55
f) 5% of the values are less than what X value?
g) 60% of the values are between what two X values(symmetrically distributed around the mean)?
h) 85% of the values will be above what X value?
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We have given mean 50 and standard deviation 4 a probability of X 43 P X 43 09599 b Probability of X 42 P X 42 00227 c Probability of X 575 P X 575 003039 d
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