z = -2.83
<u>Explanation:</u>
Given:
Mean, μ = 68
Standard deviation, σ = 6
Data point, x = 51
Z score, z = ?
We know:
Substituting the value we get:
A negative z score says that the data point is below average.
Answer:
x = 30
Step-by-step explanation:
30 + 2x = 90
2x = 60
x = 30
Answer:- a.The given expression is equivalent to
Given expression:-
Thus a. is the right answer.
Answer:
so what yhu want to do is 9 times 3 than 5y times 37
Step-by-step explanation: