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Rashid [163]
2 years ago
15

Hector helps out at an animal shelter. One of his jobs is to track the weights of the puppies. He recorded the number of ounces

gained or lost by five puppies and tried to place them on a number line.
.


Which error did Hector make?

A. He placed Puppy 3 at –3.4 instead of at –0.75.

B. He placed Puppy 5 to the left of 0 instead of to the right.

C. He placed Puppy 1 between 7 and 8 instead of between 15 and 16.

D. He placed Puppy 2 between 3 and 3.5 instead of between 3.5 and 4.
Mathematics
1 answer:
sergejj [24]2 years ago
6 0
The answer is b. He placed pupp5 to the left of 0
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Answer:

h/4=h-5

Step-by-step explanation:

quotient means divide

less means subtract

is means equal

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Round 1.49882 nearest to the nearest given place thousandths
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7 0
3 years ago
Suppose that replacement times for washing machines are normally distributed with a mean of 9.3 years and a standard deviation o
Harlamova29_29 [7]

Answer:

The probability is 0.0643

Step-by-step explanation:

* Lets revise some definition to solve the problem

- The standard deviation of the distribution of sample means is called σM

- σM = σ/√n , where σ is the standard deviation and n is the sample size

- z-score = (M - μ)/σM, where M is the mean of the sample , μ is the mean

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* Lets solve the problem

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∴ μ = 9.3

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∴ σ = 1.1

- There are 70 washing machines randomly selected

∴ n = 70

- The mean replacement time less than 9.1 years

∴ M = 9.1

- Lets calculate z-score

∵ σM = σ/√n

∴ σM = 1.1/√70 = 0.1315

∵ z-score = (M - μ)/σM

∴ z-score = (9.1 - 9.3)/0.1315 = - 1.5209

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∴ P(M < 9.1) = 0.0643

* The probability is 0.0643

5 0
3 years ago
HELP ME PLEASE!! I NEED HELP ASAP
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Answer:

5

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