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kogti [31]
3 years ago
12

Find the values of X,y and z

Mathematics
2 answers:
soldi70 [24.7K]3 years ago
5 0

Answer:

D)

x = 86

y= 67

z= 94

Step-by-step explanation:

x + 56 + 38 = 180

x + 94 = 180

x = 86

x + z = 180

86 + z= 180

z= 94

y + z + 19= 180

y + 94 + 19 = 180

y + 113 = 180

y= 67

stellarik [79]3 years ago
3 0
I got letter A when I tried it
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Can you help please? It would be helpful.
steposvetlana [31]

Answer:

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8 0
2 years ago
The body temperatures of a group of healthy adults have a bell-shaped distribution with a mean of 98.35°F and a standard deviati
DochEvi [55]

Answer:

a) 99.97%

b) 65%

Step-by-step explanation:

• 68% of data falls within 1 standard deviation from the mean - that means between μ - σ and μ + σ.

• 95% of data falls within 2 standard deviations from the mean - between μ – 2σ and μ + 2σ.

• 99.7% of data falls within 3 standard deviations from the mean - between μ - 3σ and μ + 3σ.

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Therefore, the approximate percentage of healthy adults with body temperatures between 97.71°F and 98.99°F is 65%

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3 years ago
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