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Ronch [10]
3 years ago
12

A candy store makes chocolate bars in large quantities. To make this large amount, a chocolate

Mathematics
1 answer:
Alexxx [7]3 years ago
7 0
6x+3=27 is your equation
answer would be the bricks are each 24 pounds
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Of the 9 people attending a lecture, 3 have green eyes.
nadya68 [22]
The probability is 1/3
4 0
2 years ago
A manufactured lot of buggy whips has 20 items, of which 5 are defective. A random sample of 5 items is chosen to be inspected.
dimulka [17.4K]

Answer:

a. 39.55%

b. 44.02%

Step-by-step explanation:

We have the following data:

n = 5

x = 1

p = 5/20 = 0.25

to. If the sampling is done with replacement.

We apply the binomial distribution formula, which is as follows:

P = nCx * (p ^ x) * ((1-p) ^ (n-x))

Where nCx, is a combination, and is equal to:

nCx = n! / x! * (n-x)!

replacing we have:

5C1 = 5! / 1! * 4! = 5

replacing in the main formula:

P = 5 * (0.25 ^ 1) * ((1- 0.25) ^ (5-1))

P = 0.3955

that is, without replacing the probability is 39.55%

b. if the sampling is done without replacement.

Here it is a little different from the previous one, but what you should do is calculate three cases,

the first was the one at point a, when n = 5 and x = 1

5C1 = 5! / 1! * 4! = 5

the second is when n = 20 and x = 5, this is all possible scenarios.

20C5 = 20! / 5! * 15! = 15504

and the third is when n = 15 (20-5) and x = 4 (5-1), which corresponds to the cases when none were damaged

15C4 = 15! / 4! * 11! = 1365

In the end, it would be:

P = (5C1 * 15C4) / 20C5

Replacing:

P = 5 * 1365/15504

P = 0.4402

Which means that without replacing the probability is 44.02%

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3 years ago
The original price of water skis was $200. What is the percent of discount?
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You need to tell how many percent you will discount and then find the new price
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Find the remainder when f(x)=−2x3+x2−4x+1 is divided by x+3.
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Answer:

4 the answer is 4

Step by step explanatin:

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2 years ago
Consider the equation 3x² - 13x - 30 = 0<br><br> (a) Write the factored form of the trinomial
Katarina [22]

Answer:

Step-by-step explanation:

3 0
2 years ago
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