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Tom [10]
3 years ago
10

According to an IRS study, it takes a mean of 330 minutes for taxpayers to prepare, copy, and electronically file a 1040 tax for

m. This distribution of times follows the normal distribution and the standard deviation is 80 minutes. A consumer watchdog agency selects a random sample of 40 taxpayers.What is the probability that the sampling error would be more than 20 minutes
Mathematics
1 answer:
Goryan [66]3 years ago
3 0

Answer:

Your question is step-by-step solved.

Step-by-step explanation:

Visit: gotit-pro.com/what-is-the-probability-that-the-sampling-error-would-be-more-than-20-minutes

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denpristay [2]

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2[(1 + 5x) (1 - 5x)]

Step-by-step explanation:

Given:

Expression

2 - 50x²

Find:

Factorization of the given expression

Computation:

2 - 50x²

By taking 2 as common

⇒ 2[1 - 25x²]

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Factorization of the given expression

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