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%.
Answer:
5f - 45
Step-by-step explanation:
(f-9)(5)
5f-9*5
5f-45
Step-by-step explanation:
[1-2 -4+6 3-2 5+4]
[-1 2 1 9]
Answer:
y= -3/2x + 4
Step-by-step explanation:
hope this helps :)
Answer:
24%
Step-by-step explanation:
Difference in price of sweater
=$25-$19
=$6
6/25×100%=24%
