Find a such that P(x ≥ a) = 0.9904?
Given that the population mean is 132 and the population standard deviation is 26 on a continuous normally distributed scale. Find a such that P(x ≥ a) = 0.9904
Update:I need the solution WITHOUT using Excel or any other computer program.
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In Ms Excel =NORMINV(0.9904,132,26)
x=192.8822477
2.341624912 Std Dev. above the mean
CHECK
In MS Excel
=NORMDIST(192.8822477,132,26,TRUE)
= .9904