The standard normal curve shown below models the population distribution of a random variable. What proportion of the values in the population does
not lie between the two z-scores indicated on the diagram?
u
2.1.3
20.75
A. 0.3025
B. 0.3148
C. 0.3097
D. 0.3310
E. 0.3234

If jaime wants to find 60% of 320, which table should he use?

Monthly water bills for a city have a mean of $108.43 and a standard deviation of $32.09. find the probability that a randomly selected bill will have an amount greater than $155, which the city believes might indicate that someone is wasting water. would a bill that size be considered unusual?

Which equation represents the model shown? a)1/3 divide 1/6 = 2 b)2/3 divide 1/6 = 2/18 c)1/3 divide 1/6 = 1/18 d)2/3 divide 1/6 =4