Answer:
b=7
Step-by-step explanation:
7 squared is 49, so b equals 7. I hope that was what you were looking for, and that it helps.
The answer to the problem is 14
Fill in the spaces in this order and it should be right
1. 15
2. 9
3. 3
4. -3
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%.
