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ziro4ka [17]
3 years ago
12

Robert wants to use all the ingredients listed in the table at the right to make trail mix. How many ½ -lb packages can he make?

Mathematics
1 answer:
lara31 [8.8K]3 years ago
4 0

Answer:

16 half packages.

Step-by-step explanation:

You basically need to add them all of the weight of each ingredients together, and then you multiply by 2.

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A college conducts a common test for all the students. For the Mathematics portion of this test, the scores are normally distrib
Jet001 [13]

Using the normal distribution, it is found that 58.97% of students would be expected to score between 400 and 590.

<h3>Normal Probability Distribution</h3>

The z-score of a measure X of a normally distributed variable with mean \mu and standard deviation \sigma is given by:

Z = \frac{X - \mu}{\sigma}

  • The z-score measures how many standard deviations the measure is above or below the mean.
  • Looking at the z-score table, the p-value associated with this z-score is found, which is the percentile of X.

The mean and the standard deviation are given, respectively, by:

\mu = 502, \sigma = 115

The proportion of students between 400 and 590 is the <u>p-value of Z when X = 590 subtracted by the p-value of Z when X = 400</u>, hence:

X = 590:

Z = \frac{X - \mu}{\sigma}

Z = \frac{590 - 502}{115}

Z = 0.76

Z = 0.76 has a p-value of 0.7764.

X = 400:

Z = \frac{X - \mu}{\sigma}

Z = \frac{400 - 502}{115}

Z = -0.89

Z = -0.89 has a p-value of 0.1867.

0.7764 - 0.1867 = 0.5897 = 58.97%.

58.97% of students would be expected to score between 400 and 590.

More can be learned about the normal distribution at brainly.com/question/27643290

#SPJ1

6 0
2 years ago
Use the exponent properties to simplify the following<br> <img src="https://tex.z-dn.net/?f=%5Cfrac%7B3x%5E3y%5E2z%7D%7B27xy%5E2
7nadin3 [17]

Step-by-step explanation:

x^2/9 z^2

hiiii checkout the steps

7 0
3 years ago
Anyone want to help me out?
zhuklara [117]
First answer haha~ I think I answered all your questions so far ;)
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3 0
3 years ago
Kara has four boy cousins and three girl cousins. Write a fraction to represent the part of her cousins that are girls.
earnstyle [38]

Answer:

it would be 3/7

Step-by-step explanation:

3+4=7 3 cousins out of the seven are girls

6 0
3 years ago
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