Answer:
The probability of selecting a sample mean of 13 or larger from this population is 0.0228
Step-by-step explanation:
A researcher selects a sample of 49 participants from a population with a mean of 12 and a standard deviation of 3.5.
We are supposed to find the probability of selecting a sample mean of 13 or larger from this population i.e.
Z=2
Refer the z table
Hence the probability of selecting a sample mean of 13 or larger from this population is 0.0228
92
The equation we have so far would be: (x-2)÷3=30
plug 92 into x.
(92-2)÷3=30
92-2=90
90÷3=30
Hi again!
x² + 8x - 20 = 0
Factorize the left side
(x - 2)(x + 10) = 0
Then set factors equal to 0
x - 2 = 0 or x + 10 = 0
x = 0 + 2 or x = 0 - 10
x = 2 or x = -10
Always,I am here to help!
<u>15x⁵y⁵</u> = <u>3x⁴</u>
25xy⁹ y⁴
Answer:
C. 40%
Step-by-step explanation:
There was a total of 30 girls surveyed. Out of those 30 girls 12 prefered soccer to baseball. 30/12 = 0.4 which is equivalent to 40%.
