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Yuki888 [10]
2 years ago
10

HELPPP MEEEEE PLEASE ‼️‼️‼️‼️‼️‼️‼️‼️‼️‼️‼️‼️‼️ BRAINLESTTTTTT . + POINTS ‼️‼️‼️‼️‼️‼️+ thank you ‼️‼️‼️‼️‼️‼️‼️‼️‼️ please help

meeeee out the kindness of your hearttt ❗️❗️

Mathematics
2 answers:
marusya05 [52]2 years ago
5 0
Store B has the lowest price for bread.
irakobra [83]2 years ago
3 0
Store B, because it’s cheaper.
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y=3 x=4 z=2
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than you solve
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student randomly receive 1 of 4 versions(A, B, C, D) of a math test. What is the probability that at least 3 of the 5 student te
alexdok [17]

Answer:

1.2%

Step-by-step explanation:

We are given that the students receive different versions of the math namely A, B, C and D.

So, the probability that a student receives version A = \frac{1}{4}.

Thus, the probability that the student does not receive version A = 1-\frac{1}{4} = \frac{3}{4}.

So, the possibilities that at-least 3 out of 5 students receive version A are,

1) 3 receives version A and 2 does not receive version A

2) 4 receives version A and 1 does not receive version A

3) All 5 students receive version A

Then the probability that at-least 3 out of 5 students receive version A is given by,

\frac{1}{4}\times \frac{1}{4}\times \frac{1}{4}\times \frac{3}{4}\times \frac{3}{4}+\frac{1}{4}\times \frac{1}{4}\times \frac{1}{4}\times \frac{1}{4}\times \frac{3}{4}+\frac{1}{4}\times \frac{1}{4}\times \frac{1}{4}\times \frac{1}{4}\times \frac{1}{4}

= (\frac{1}{4})^3\times (\frac{3}{4})^2+(\frac{1}{4})^4\times (\frac{3}{4})+(\frac{1}{4})^5

= (\frac{1}{4})^3\times (\frac{3}{4})[\frac{3}{4}+\frac{1}{4}+(\frac{1}{4})^2]

= (\frac{3}{4^4})[1+\frac{1}{16}]

= (\frac{3}{256})[\frac{17}{16}]

= 0.01171875 × 1.0625

= 0.01245

Thus, the probability that at least 3 out of 5 students receive version A is 0.0124

So, in percent the probability is 0.0124 × 100 = 1.24%

To the nearest tenth, the required probability is 1.2%.

4 0
3 years ago
Convert 6 4/5 to an improper fraction
dsp73
6+(4/5)

=(30/5)+(4/5)

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What is an insurance premium?
rjkz [21]

Answer: An insurance premium is the amount of money an individual or business pays for an insurance policy. Insurance premiums are paid for policies that cover healthcare, auto, home, life, and others.

Step-by-step explanation:

4 0
3 years ago
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