3 years ago

Easy answer for free points

Mathematics

2 answers:

sergejj [24]3 years ago

8 0

Answer:

uh, it's 2 boxes = 16 donuts

Step-by-step explanation:

It's pretty easy

ICE Princess25 [194]3 years ago

6 0

Answer: its def number 8

Step-by-step explanation:

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Adult entrance fees to amusement parks in the United States are normally distributed with a population standard deviation of 2.5

kondor19780726 [428]

Answer: 1.509

Step-by-step explanation:

The formula of Margin of Error for (n<30):-

$E=t_{\alpha/2}\dfrac{\sigma}{\sqrt{n}}$

Given : Sample size : n= 22

Level of confidence = 0.99

Significance level : $\alpha=1-0.99=0.01$

Using the t-distribution table ,

Critical value : $t_{n-1, \alpha/2}=t_{21,0.005}= 2.831$

Standard deviation: $\sigma=\text{ 2.5 dollars }$

Then, we have

$E=( 2.831)\dfrac{2.5}{\sqrt{22}}\approx1.509$

Hence, the margin of error for a 99% confidence interval for the population mean =1.509

4 0

3 years ago

10+11+12+13+14+15+16+17+18+18+20

PSYCHO15rus [73]

Answer:

164

Step-by-step explanation:

10+11+12+13+14+15+16+17+18+18+20 = 164

7 0

3 years ago

Read 2 more answers

A salesman makes 5% commission on sales. what is his commission on $4,321 worth of sales? 216.05 2,160.50 8,642.00 86,420.00

Free_Kalibri [48]

216.05 is the answer because you have to divide $4,321 by 100, and multiply that by 5.

6 0

3 years ago

F(t)=100−4.9t2 help me

stiv31 [10]

-19.6 m/s
Do you need the math as well?

7 0

3 years ago

Graph the solution of this inequality: 3/4(x+8) > 1/2 (2x + 10)

miss Akunina [59]

Answer:

Inequality Form-

X<4

Interval Notation-

(-∞, 4)

7 0

3 years ago