Answer:
Whats the question
Step-by-step explanation:
Answer:
0.9544
Step-by-step explanation:
P(-2 < Z < 2) means that Z has mean 0 and standard deviation 2.
P(−2 < Z < 2) = F(2) - F(-2)
Using the Z - table,
F(2) = 0.9772
and F(-2) = 0.0228
Thus,
P(−2 < Z < 2) = 0.9772 - 0.0228 = 0.9544
This means that data within two standard deviation is 95%.
<span>Answer is about 12.85.</span>
Answer:
m-9
Step-by-step explanation:
12-9= 3
14-9= 5
18-9= 9
27-9= 18
