From Wiley. Many thanks :)Section 6.4, Exercise 5
Suppose you are working with a data set that is normally distributed, with a mean of 150 and a standard deviation of 46. Determine the value of x from the following information.
Round your answers and z values to 2 decimal places, the tolerance is +/-0.05.
(a) 90% of the values are greater than x.
(b) x is less than 17% of the values.
(c) 23% of the values are less than x.
(d) x is greater than 60% of the values.
a) x=91.12 b)... View the full answer