Suppose that the average utility bill of all California households is $92.55 with s.d. $20.07. Let x be the average utility bill of 50 r/s California households. Find P (90 s is 100). Interpret the answer to (a) in plain language. a. b.

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  1. Suppose that the average utility bill of all California households is $92.55 with s.d. $20.07. Let x be the average utility bill of 50 r/s California households.

 

a. Find P (90 ≤ x (bar) ≤ 100).

b. Interpret the answer to (a) in plain language.

Suppose that the average utility bill of all California households is $92.55 with sd.
$20.07. Let x be the average utility bill of 50 r/s California households.
Find P (90 < is100).
Interpret the answer to (a) in plain language.
a.
b.
Transcribed Image Text:Suppose that the average utility bill of all California households is $92.55 with sd. $20.07. Let x be the average utility bill of 50 r/s California households. Find P (90 < is100). Interpret the answer to (a) in plain language. a. b.
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