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Anika [276]
3 years ago
14

Please help I'm confused

Mathematics
1 answer:
TiliK225 [7]3 years ago
3 0

Answer:

(24-4.00)-4.50/20

Step-by-step explanation: 24 minus 4 would be 20 and you could buy 4 phone cases because 20 divided by 4.50 is 4.4 so 4 times 4 is 16 plus the 2.00 dollars extra from the .50 in the 4.50 so it would be you can buy 4 phone cases.

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State a reason why a number does not belong with the others. <br> 32 64<br> 81 144
KiRa [710]

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Step-by-step explanation:

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By selling a laptop at $1,000 for which consumers are willing to pay up to $1,200, a consumer electronics firm makes a profit of
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3 years ago
55% of 19.6 is what number?
tiny-mole [99]
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3 0
3 years ago
A pharmaceutical company receives large shipments of aspirin tablets. The acceptance sampling plan is to randomly select and tes
Pavel [41]

Answer:

0.818

Step-by-step explanation:

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We call D the amount of defective tablets. If we assume that we pick the tablets with reposition, then we obtain that D is a random variable of Binomial distribution with parameters 13 and 0.6 (the probability of picking a defective tablet).

We want D to be at most one. To calculate the probability of that event we add up the probability of D being equal to 0 and the probability of D being equal to one. Since D is binomial, we have

  • P(D = 0) = (1-0.06)^{13} = 0.447
  • P(D = 1) = {13 \choose 1} * 0.06^1 * (1-0.06)^{12} = 13*0.06*0.94^{12} = 0.371

We conclude that

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Hence, the shipment will be accepted with probability 0.818

<em>I hope this helps you!</em>

6 0
3 years ago
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