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tamaranim1 [39]
3 years ago
11

taylor arrives atbthe fair with $80 after 5 hours taylor has $30 if time is the independent variable and amount of money the dep

endent variable find the rate of change of the amount of money that taylor has​
Mathematics
1 answer:
ANEK [815]3 years ago
5 0

80-30 = 50

She spent $50

She was there for 5 hours

$50/5 = 10

The rate of change is $10 per hour.

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devlian [24]

Answer:

69.14% probability that the diameter of a selected bearing is greater than 84 millimeters

Step-by-step explanation:

According to the Question,

Given That, The diameters of ball bearings are distributed normally. The mean diameter is 87 millimeters and the standard deviation is 6 millimeters. Find the probability that the diameter of a selected bearing is greater than 84 millimeters.

  • In a set with mean and standard deviation, the Z score of a measure X is given by Z = (X-μ)/σ

we have μ=87 , σ=6 & X=84

  • Find the probability that the diameter of a selected bearing is greater than 84 millimeters

This is 1 subtracted by the p-value of Z when X = 84.

So, Z = (84-87)/6

Z = -3/6

Z = -0.5 has a p-value of 0.30854.

⇒1 - 0.30854 = 0.69146

  • 0.69146 = 69.14% probability that the diameter of a selected bearing is greater than 84 millimeters.

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