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Umnica [9.8K]
3 years ago
6

A cell phone company orders 500 new phones from a manufacturer. If the probability of a phone being defective is 2.9%, predict h

ow many of the phones are likely to be defective. Round to the nearest whole number. 12 phones 15 phones 18 phones 145 phones
Mathematics
2 answers:
alisha [4.7K]3 years ago
8 0
<span>500  x 0.029 = 14.5 

answer
about </span><span>15 phones </span>
alex41 [277]3 years ago
4 0

Answer:

15 phones, option B.

Step-by-step explanation:

A cell phone company orders new phones = 500

The probability of a phone  is being defective = 2.9%

2.9% of 500 phones are = \frac{2.9}{100} × 500

0.029 × 500 = 14.5 rounded to the nearest whole number is 15

The probability of 15 phones are defective out of 500 phones.

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3 0
3 years ago
Ajay bought a fan and a heater for rs 4000. He sold the fan at a profit of a 25% and the heater at a loss of 5%. If he gained 7%
Alborosie

Answer: Heater -Rs 2400; Fan- Rs 1600

Step-by-step explanation:

Given

Ajay bought a fan and a heater for Rs 4000

Suppose the price of fan is x and that of heater is 4000-x

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Total profit is 7% i.e. 0.07\times 4000

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Price of heater is Rs.\ 2400

8 0
3 years ago
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Kamila [148]

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Step-by-step explanation:

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8 0
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