Answer: 100+1.28(1/2)=100.64
Step-by-step explanation:
A random sample of size 16 is to be taken from a normal population having mean 100 and variance 4. ... The 90th percentile of the normal curve, according to the table I was provided, was equal to 1.28 standard units above the mean.
Answer:
x= 10
Step-by-step explanation:
1/5 x -2/3 = 4/3
Add 2/3 to each side
1/5x -2/3 +2/3 = 4/3 +2/3
1/5x = 6/3
1/5x = 2
Multiply each side by 5
1/5x * 5 = 2*5
x = 10
Answer:
9
Step-by-step explanation:
Using the rule of radicals
× 
⇔ 
Simplify the radicals
= 
= 
×
= 2
= 
= 
×
= 3
Then
3 +
= 3(2 ) + 3
= 6 + 3
= 9
