Answer:
78 deg
Step-by-step explanation:
Answer: 0.7881446
Step-by-step explanation:
Given : Mean :
Standard deviation :
Sample size :
The formula to calculate the z-score :-
For x= 267 dollars
For x= 269 dollars.
The P-value :
Hence, the probability that they have a mean cost between 267 dollars and 269 dollars.= 0.7881446
Answer:
C) $51
Step-by-step explanation:
Step 1. Calculate the <em>discount
</em>
The discount is 15 % of $60
Discount = 60 × 0.15
Discount = $9
===============
Step 2. Calculate the <em>sale price</em>
Sale price = original price - discount
Sale price = 60 - 9
Sale price = $51
The sale price will be $51.
Answer:
x = -10
Step-by-step explanation:
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