Answer:
a) 10.6; 48.7; within
Step-by-step explanation:
The Empirical Rule states that, for a normally distributed random variable:
68% of the measures are within 1 standard deviation of the mean.
95% of the measures are within 2 standard deviation of the mean.
99.7% of the measures are within 3 standard deviations of the mean.
In this problem, we have that:
Mean = 29.6
Standard deviation = 6.35
"According to the Empirical Rule, the ages of nearly all lead actresses will be between______________and_____________ years.
Nearly all(99.7%) will be within 3 standard deviations from the mean.
So from 29.6 - 3*6.35 = 10.6 years to 29.6 + 3*6.35 = 48.7 years.
Anna was 11-years old, so she was within this range.
So the correct answer is
a) 10.6; 48.7; within
First one:
3 * 2/3 is equal to 6/3 which is equal to 2 and 2 is less than 3
second one:
5/7 * 3 is equal to 15/7 and 15/7 is greater than 5/7 :)))
i hope this is helpful
have a nice day
Answer:
3x² – 5x + 10
Step-by-step explanation:
(4x² – 2x + 8) - (x² + 3x - 2) =
Drop the first set of parentheses because it is unnecessary.
= 4x² – 2x + 8 - (x² + 3x - 2)
To get rid of the second set of parentheses, change every sign inside.
= 4x² – 2x + 8 - x² - 3x + 2
Now, combine like terms.
= 3x² – 5x + 10
Answer:
Frank was going around his school and was asking fellow students how many scoops of ice cream they like for desert. He learned that zero students like 3 scoops of ice cream. The more students he asked the smaller the amounts got. The amounts got smaller by half a scoop per person. When he asked a 6th person they did not want any ice cream scoops for desert.
Step-by-step explanation:
Y intercept: 3
Slope: - 1/2
x intercept: 6
Have an amazing day!
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