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Kamila [148]
2 years ago
7

Naomi is still not sure how many boxes of each type of candy to order. Her dad explains that he needs to do a little more mathem

atics before she can determine the best candy order. He creates a table to help her determine the solution.
He asks her to calculate how much money the band would make if she ordered 500 boxes of
each type of candy. He also asks her to calculate the profit on an order of 300 boxes of milk
chocolate and 500 boxes of dark chocolate. Determine both answers and show your work.
Mathematics
1 answer:
Vlada [557]2 years ago
6 0

Answer:

how much does each box cost?

Step-by-step explanation:

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Suppose the scores on a test given to all juniors in a school district are normally distributed with a mean of 79 and a standard
Romashka-Z-Leto [24]

Answer:

There is a 1.1% chance that a randomly chosen junior will have a score above 95.

Step-by-step explanation:

Calculate the z-score of 95 given a normal distribution with mean 79 and standard deviation of 7. The z-score is a probability (area under the distribution curve) of a value on a normalized random variable that has a distribution with mean 0 and standard deviation of 1. To get such a transformation, you need to subtract the mean and divide by the standard deviation, like this:

z(x) = \frac{x-\mu}{\sigma}\\z(95)=\frac{95-79}{7}=2.29

Based on this z-value, use z-score tables to look up the area under the curve. This will be the probability that randomly chosen values are lower (or higher, depending which table you are using) than this z-score. Be careful to apply the correct table. I found the following probability that a random z value is higher that the z-score 2.29: 0.011, or 1.1%. This means that there is a 1.1% chance that a randomly chosen junior will have a score above 95.

3 0
3 years ago
There are 20 pens in a package. Ten of the pens are black, 8 are blue, and the rest are red.
Serjik [45]

Answer:

1:5

Step-by-step explanation:

  Their is 2 red pens, because 20(pens) - 8(blue pens) = 12(pens [blue excluded]) and there are 10 black pens (12 - 10 = 2)

  So we can get an un-simplified ratio of 2:10, however in the list of answers you gave us:

  • 1:10
  • 1:5
  • 4:5
  • 5:1

  Their is no 2:10, so now we need to simplify our ratio by dividing both 2 and 10 by 2, 2 divided by 2 = 1 and 10 divided by 2 = 5. As we can now see this gives us the ratio of 1:5 which is our second answer choice, and therefore since 1:5 is equal to 2:10 our answer is 1:5

3 0
3 years ago
3.5x=14.7 help please
SIZIF [17.4K]
3.5X=14.7
X=14.7/3.5
X=4.2
3 0
3 years ago
A bracelet that regularly sells for $44 is on sale for 25% off. Find the sale price of the bracelet?
Vsevolod [243]
Regular price : $44

Discount : 25%

So, discount amount : 25% of 44
= 25/100 × 44
= $11

So, amount after applying discount = $44 - $11 = $33
8 0
3 years ago
4.
Debora [2.8K]
Use desmos hope that helps
4 0
3 years ago
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