2 years ago

How is your dayill give brainliest

Mathematics

2 answers:

trapecia [35]2 years ago

4 0

Answer:

pretty boring, I'm kind of tired to be honest. What ab you?

thanks for the points though

Aleks04 [339]2 years ago

3 0

Answer:

pretty good so far! almost done with midterms & have a dentist appointment in 3 hours lol

hows yours?

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bearhunter [10]

Answer:

7/2

Step-by-step explanation:

3 wholes is equal to 6 halves plus a half equals 7 halves

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3 years ago

Customers arrive at a movie theater at the advertised movie time only to find that they have to sit through several previews and

sergij07 [2.7K]

Answer:

a) sample size is 40

Step-by-step explanation:

(a)

$\sigma=4$ minutes

Margin of error, E is 75 seconds E=75/60= 1.25 minutes.

The level of significance $\alpha= 0.05$ for 95% level of significance

For 95% confidence interval $z_{\frac{\alpha}{2}}=1.96$ from standard deviation table

Sample size required, n

$n=\left (\frac{z_{\frac{\alpha}{2}}\cdot \sigma}{E} \right )^{2}=\left (\frac{1.96\cdot4}{75/60} \right )^{2}=39.337984$

Rounding off, n=40

Sample size =40

Keywords:

95% confidence, sample size, Wall Street Journal

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3 years ago

A menu list 3 appetizers 4 meals 2 drinks and 2 dessert a dinner consists of 1 of each of these 4 items how many different dinne

e-lub [12.9K]

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2.75

Step-by-step explanation:

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2 years ago

What is 3,480,000,000 in scientific notation

REY [17]

3.48 x 10^9

I hope this is right.

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3 years ago

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When the Chili restaurant chain was in ﬁnancial trouble.its CEO directed the managers of each of the chain's restaurant to trim

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Answer: Option C : delegation of authority

Step-by-step explanation:

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2 years ago

How is your dayill give brainliest​

How is your dayill give brainliest