It = 16x because 13 plus 3 is 16 so its 16x !!!
Answer:
x
=
ln
(
3
)
7
ln
(
3
)
+
ln
(
7
)
Step-by-step explanation:
Answer:
Everyone would pay 116.66, but one of them would have to pay one cent extra!
Step-by-step explanation:
Answer:
a)

b)

Step-by-step explanation:
We have to build appropriate null and alternate hypothesis for the given scenarios.
a) Population mean, μ = $62,500 per year
The market research wants to find whether the mean household income of mall shoppers is higher than that of the general population.

We would use one-tail(right) test to perform this hypothesis.
b) Population mean, μ = 2.6 hours
The company want to know the average time to respond to trouble calls is different or not.

We would use two-tail test to perform this hypothesis.
To find a fraction equivalent to 3/5 multiply both top and bottom numbers by the same number .Example of answer 6/10.