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2 years ago

Lhasdkjhasdufoidsuhfo8sdhfoiasdhfosadf

Mathematics

1 answer:

Margaret [11]2 years ago

7 0

Answer:

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Trina had 50 eggs. After using some of her eggs to make 12 batches of brownies, she has 14 eggs remaining. How many eggs did Tri

Alexeev081 [22]

Step-by-step explanation:

eggs used : 50-12= 38 eggs

$\frac{38 \: eggs}{12 \: batches} = 3.1667eggs \: per \: batch$

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2 years ago

xP(x)00.2510.0520.1530.55Find the standard deviation of this probability distribution. Give your answer to at least 2 decimal pl

Nookie1986 [14]

The Solution:

Given:

Required:

Find the standard deviation of the probability distribution.

Step 1:

Find the expected value of the probability distribution.

$E(x)=\mu=\sum_{i\mathop{=}0}^3x_iP_(x_i)$ $\begin{gathered} \mu=(0\times0.25)+(1\times0.05)+(2\times0.15)+(3\times0.55) \\ \\ \mu=0+0.05+0.30+1.65=2.0 \end{gathered}$

Step 2:

Find the standard deviation.

$Standard\text{ Deviation}=\sqrt{\sum_{i\mathop{=}0}^3(x_i-\mu)^2P_(x_i)}$ $=(0-2)^2(0.25)+(1-2)^2(0.05)+(2-2)^2(0.15)+(3-2)^2(0.55)$ $=4(0.25)+1(0.05)+0(0.15)+1(0.55)$ $=1+0.05+0+0.55=1.60$

Thus, the standard deviation is 1.60

Answer:

1.60

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1 year ago

WILL GIVE BRAINLIEST PLEASE ANSWER ASAP

Wittaler [7]

Answer:

Circle man ez

Step-by-step explanation:

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3 years ago

Read 2 more answers

PLEASE HELP FINAL GRADE QUIZ!!!!!

Drupady [299]

Answer:

D) 1 quarter and 1 dime

Step-by-step explanation:

1 quarter = 25% of a dollar

1 dime = 10% of a dollar

10% + 25%=35% not 30

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3 years ago

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What is the value of x + 3y + z if x = 4, y = 5, and z= 22<br>a) 16<br>b) 41<br>c) 2

fgiga [73]

Answer:

OPTION B - 41

Step-by-step explanation:

An expression is given and the corresponding values for the expression are also given. We have to substitute the given values to arrive at the answer.

The given expression is: x + 3y + z.

Also given: x = 4, y = 5, z = 22.

Substitute these values in the above expression, we get:

4 + 3(5) + 22 = 4 + 15 + 22 = 41.

∴ x + 3y + z = 41

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3 years ago