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denis-greek [22]
3 years ago
12

An earlier study determined that 60% of women older than age 50 have annual mammograms. To see if this proportion is still valid

, we send surveys to 1000 women older than age 50. Of the 100 who respond, 70 say they have annual mammograms. What is the (estimated) current proportion of women older than age 50 who say they get annual mammograms
Mathematics
1 answer:
harina [27]3 years ago
3 0

Answer:

The % of women above 50 having mammograms as devised from the survey is 70%.

Step-by-step explanation:

Given

60% of women older than age 50 have annual mammograms

Out of 1000 surveyed women of  age greater than 50, 100 women responded and out of these 100, 70 confirmed that they have annual mammograms

The % of women above 50 having mammograms as devised from the survey is 70%.

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A 7ft board is to be cut into three pieces, two equal length ones and the third 6 inches shorter than each of the other two. If
Leokris [45]

Answer:

The two boards of equal length are 30 inches long, and the third board is 24 inches long

Step-by-step explanation:

First, convert the length of the board to inches. There are 12 inches in a foot, so multiply 7 by 12:

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Let x represent the length of the two boards of equal length. The length of the third board can be represented by x - 6, since it is 6 inches shorter than the other two.

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So, the two boards of equal length are 30 inches long.

Subtract 6 from this to find the length of the third board:

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= 24

The two boards of equal length are 30 inches long, and the third board is 24 inches long.

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3 years ago
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Answer:

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