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svetlana [45]
3 years ago
13

​Women's heights average 62 inches with a standard deviation of 2.9 inches in a certain study. Use the​ 68-95-99.7 rule to deter

mine the typical ranges of the​ women's heights. In what range will approximately the middle 95​% of the​ women's heights​ lie?
Mathematics
1 answer:
docker41 [41]3 years ago
6 0

Answer:

Middle 95​% of the​ women's heights​ lie between 59.1 inches and 64.9 inches

Step-by-step explanation:

According to the 68-95-99.7 rule ,

  • 1 standard deviation around the mean includes middle 68% of the population
  • 2 standard deviation around the mean includes middle 95% of the population
  • 3 standard deviation around the mean includes middle 99.7% of the population

Therefore Middle 95​% of the​ women's heights​ lie 62±2.9 inches according to the study. That is between 59.1 inches and 64.9 inches.

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The answer would be 30/13.

Step-by-step explanation:

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Hope this helps! :)

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Find the angle measure of the missing angle for a triangle with angle measures of 37 degrees and 75 degrees.
alina1380 [7]
The answer is 68 degrees

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3 years ago
Plzzz guys, help me with this​
babunello [35]

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Distributive property

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-3/4*5/4-(-6/7)*(-3/4)

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4 0
3 years ago
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Given lines p and q are parallel, m&lt;2 - (14x - 12), m&lt;6 - (5y + 23), and m&lt;8 - (8x + 27), solve for the values of x and
nexus9112 [7]

Answer:

x = 7.5

y = 14

m<1 = 87°

m<7 = 93°

Step-by-step explanation:

Given:

m<2 = (14x - 12),

m<6 = (5y + 23),

m<8 = (8x + 27)

m<2 + m<8 = 180° (consecutive exterior angles are supplementary)

(14x - 12) + (8x + 27) = 180 (substitution)

Solve for x

14x - 12 + 8x + 27 = 180

Collect like terms

22x + 15 = 180

Subtract 15 from each side

22x = 180 - 15

22x = 165

Divide both sides by 22

x = 7.5

m<2 = m<6 (corresponding angles are congruent)

(14x - 12) = (5y + 23) (substitution)

Plug in the value of x

14(7.5) - 12 = 5y + 23

105 - 12 = 5y + 23

93 = 5y + 23

Subtract 23 from each side

93 - 23 = 5y

70 = 5y

Divide both sides by 5

14 = y

y = 14

✅m<1 = m<8 (alternate exterior angles are congruent)

m<1 = (8x + 27) (substitution)

Plug in the value of x

m<1 = 8(7.5) + 27 = 87°

m<7 = m<2 (alternate exterior angles are congruent)

m<7 = (14x - 12) (substitution)

Plug in the value of x

m<7 = 14(7.5) - 12 = 93°

8 0
3 years ago
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