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zalisa [80]
3 years ago
6

Suppose that shoe sizes of American women have a bell-shaped distribution with a mean of 8.33 and a standard deviation of 1.5. U

sing
the empirical rule, what percentage of American women have shoe sizes that are no more than 11.33? Please do not round your answer.
Mathematics
1 answer:
never [62]3 years ago
8 0

"97.5" will be the American women's % having their shoe sizes that are no more than 11.33.

Given values are:

  • Mean = 8.33
  • Standard deviation = 1.5

Now,

= 8.33 + 2\times 1.5

= 11.33 (2 above Standard deviation)

→ The data values are between 8.33 and 11.33,

= \frac{95}{2}

= 47.5 (%)

→ The data value below 11.33,

= 50 (%)

hence,

→ The percentage of American women will be:

= 50+47.5

= 97.5 (%)

Thus the above answer is appropriate.

Learn more about empirical rule here:

brainly.com/question/18529739

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Question 2
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Answer:

The equation of the required line is y = x + 5

Step-by-step explanation:

The equation of the given line is y = x - 2

The required line = A line parallel to the given line

The point through which the required line passes = (-3, 2)

The general form of the equation of a straight line, is y = m·x + c

Where;

m = The slope of the line

By comparison, the slope of the given line, m = 1

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The equation of the required line is therefore;

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6 0
3 years ago
The Weston Laundry washes all the linens for local hotels. In 7 days, they washed 285.38 pounds of towels and 353.47 pounds of s
Serhud [2]
In the problem it is already given that Weston Laundry washed 285.38 pounds of towel and 353.47 pounds of sheets from local hotels in 1 day. Firstly we have to find the total pounds of linens that Weston Laundry has washed in 7 days. Then only will it be possible to find the amount of linen washed in a day.
Then t
Total linen washed by Weston Laundry in 7 days = (285.38 + 353.47) pounds
                                                                               = 638.85 pounds.
Then
The amount of linen washed by Weston Laundry in 1 day = 638.85/7
                                                                                             = 91.26 pounds
So Weston Laundry washed about 91.26 pounds of linen each day.


4 0
3 years ago
Cheryl writes 7 fewer posts than Kevin on a social media site.
Agata [3.3K]
Um I have no idea what this is but good luck
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3 years ago
Read 2 more answers
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