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3 years ago

COOKING The instructions on a box of chicken patties state that one patty should be cooked for 2.5 minutes

Mathematics

1 answer:

Julli [10]3 years ago

8 0

Answer:

y=1.5x+2.5 ,

y=32x+52 ,

y=32x+2.5 ,

y=1.5x+52

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When 2 fractions refer to the same whole and have the same denominator explain why you can compare only the numerators

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What percentage of the data values represented on a box plot falls between the minimum value and the lower quartile?

Butoxors [25]

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Salaries of 49 college graduates who took a statistics course in college have a mean, x overbar, of $ 65 comma 300. Assuming a

Molodets [167]

Answer: $60,540< \mu$

Step-by-step explanation:

The confidence interval for population mean is given by :-

$\overline{x}-z^*\dfrac{\sigma}{\sqrt{n}}< \mu$

, where $\sigma$ = Population standard deviation.

n= sample size

$\overline{x}$ = Sample mean

z* = Critical z-value .

Given : $\sigma=\$17,000$

n= 49

$\overline{x}= \$65,300$

Two-tailed critical value for 95% confidence interval = $z^*=1.960$

Then, the 95% confidence interval would be :-

$65,300-(1.96)\dfrac{17000}{\sqrt{49}}< \mu$

$=65,300-(1.96)\dfrac{17000}{7}< \mu$

$=65,300-4760< \mu$

$=60,540< \mu$

Hence, the 95% confidence interval for estimating the population mean $(\mu)$ :

$60,540< \mu$

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3 years ago