How many square inches are in 60 square fee
1 answer:
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Answer:
Average=7
Step-by-step explanation:
From the line plot
- 4 has three Xs above it
- 5 has four Xs above it
- 6 has four Xs above it
- 11 has one X above it
- 15 has one X above it
- 16 has one X above it
Therefore, the values are:
4,4,4,5,5,5,5,6,6,6,6,11,15,16
Average=7
Let X be the weekly incomes of a large group of executives. The weekly incomes of a large group of executives follows Normal distribution with mean $2000 and standard deviation $100.
μ =2000, σ =100
We have to find z score for income $2100 i.e x=2100
Z =
=
Z = 100/100
Z = 1
The z score for income $2100 is 1