Answer:
0.3085,0.2417,0.0045
Step-by-step explanation:
Given that X, the amount of money spent at shopping centers between 4 P.M. and 6 P.M. on Sundays has a normal distribution with mean $85 and with a standard deviation of $20.
X is N(85, 20)
To convert into std normal variate we use the following formula
a) the probability that he has spent more than $95 at the mall
=
b. the probability that he has spent between $95 and $115 at the mall
=
c. If two shoppers are randomly selected, what is the probability that both shoppers have spent more than $115 at the mall
=product of two probabilities since independent
=
Answer:
-(m+2)(m^2+16)
Step-by-step explanation:
With what ? you didn’t put a question
Domain: (1, 2, 3, 4, 5)
Range: (70.5, 71, 71.5, 72, 72.5
Step-by-step explanation:
hi see the pic for the steps
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