Answer:
36
Step-by-step explanation:
since the .77 is larger than .5, you automatically round it up
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
9514 1404 393
Answer:
7800 units per year
Step-by-step explanation:
The increase over 5 years is ...
89,000 -50,000 = 39,000 . . . . units
Then the increase per year is ...
(39,000 units)/(5 years) = 7,800 units/year
Answer:
perimeter of quadrant circle=1/4×pi×radius
""""" =1/4×3.14×10
perimeter of quadrant circle= 7.85cm
e
Answer:
— ¼ = — 0.25
Step-by-step explanation: