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2 years ago

ASAP I need help 10 points

Mathematics

1 answer:

schepotkina [342]2 years ago

7 0

Answer: Mitzi can buy 8 pounds of strawberries.

Step-by-step explanation:

when you divide 6 by 0.75 you get 8. So your answer is 8 pounds.

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Let X1, . . . ,Xn be an i.i.d. random sample from a N(0, 1) population. Define Y1 = 1 n n X i=1 Xi , Y2 = 1 n n X i=1 |Xi| . Cal

nalin [4]

For each $1\le i\le n$ , $E[X_i]=0$ , so that

$\displaystyle E[Y_1]=E\left[\frac1n\sum_{i=1}^nX_i\right]=\frac1n\sum_{i=1}^nE[X_i]=0$

Meanwhile,

$\displaystyle E[Y_2]=\frac1n\sum_{i=1}^nE[|X_i|]$

Each of the $X_i$ have PDF

$f_{X_i}(x)=\dfrac1{\sqrt{2\pi}}e^{-x^2/2}$

for $x\in\Bbb R$ . From this we get

$E[|X_i|]=\displaystyle\frac1{\sqrt{2\pi}}\int_{-\infty}^\infty|x|e^{-x^2/2}\,\mathrm dx=\sqrt{\frac2\pi}\int_0^\infty xe^{-x^2/2}\,\mathrm dx=\sqrt{\frac2\pi}$

$\implies E[Y_2]=n\sqrt{\dfrac2\pi}$

8 0

2 years ago

1) Which two teams had the greatest point difference?

MrMuchimi

1) Which two teams had the greatest point difference?
Delta and Beta (85 - 25 = 60)

2) Which two teams had the least point difference?
Delta and Gamma (85 - 75 = 10)

3) What was the average score of the 5 teams?
(45+25+75+85+65) / 5 = 295 / 5 = 59

4) How many more points did Epsilon score than Beta?
Epsilon: 65
Beta: 25
65 - 25 = 40
Epsilon scored 40 more than Beta

<span>5) Which teams scored more than 2 times Beta’s score?</span>
twice of Beta = 25 x 2 = 50

answer
Gamma (75) , Delta (85) and Epsilon (65)

7 0

3 years ago

16 squared with explanation.

pochemuha

Answer:

256

Step-by-step explanation:

Multiply 16 by 16.

You bet 256, right?

The answer is 256 now.

Hope it helps!

Formula: multiply number you have x number you have.

7 0

2 years ago

Read 2 more answers

Which rule can be used to find the output numbers in this table?

Anton [14]

A. Multiple the input by 11.

7 0

3 years ago

Divide 4 1/4 by 2.

Aleonysh [2.5K]

I’m pretty sure it’s 2 1/8

5 0

2 years ago