Answer:c
Step-by-step explanation:i took the test
To add or subtract you do what you would normally do then put
the decimal in the answer
to multiply you multiply the numbers then add the demical places from both
numbers then put the decimal there
Answer:
Step-by-step explanation:
x^2-16x+60
(x-6)(x-10) factor the equation
x-6=0
x=6
x-10=0
x=10
Answer: 20
Step-by-step explanation:
Let 's complete our quadrilateral to a rectangle ; and subtract from it the area highlighted in red

Answer: b. 0.98
Step-by-step explanation:
The formula to find the maximum error of the estimated mean :
(1)
, where
= standard deviation
n= Sample size
z* = Critical z-value.
As per given , we have

n=100
Critical value for 95% confidence interval = z*=1.96
Put these values in the formula (1), we get


Hence, the maximum error of the estimated mean quality for a 95% level of confidence is 0.98.
Therefore , the correct answer is b. 0.98 .