Answer:
7290
Step-by-step explanation:
Using proportion then
=
( cross- multiply )
30c = 18700 ( divide both sides by 30 )
c = 7290
The cost of 120 calculators is 7290
Step-by-step explanation:
13.8564064606
hope it helps
I believe the answer is 2.222222222
Answer:
The probability that a sample mean is less than 14.99mm=0.066808
Step-by-step explanation:
We are given that
Mean,
Standard deviation,
n=36
We have to find the probability that a sample mean is less than 14.99mm.
We know that

Using the formula


=

=0.066808
Hence, the probability that a sample mean is less than 14.99mm=0.066808