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Dovator [93]
3 years ago
10

A cell phone company orders 500 new phones from a manufacturer. If the probability of a phone being defective is 2.6%, predict h

ow many of the phones are likely to be defective. Round to the nearest whole number.
Mathematics
2 answers:
Novosadov [1.4K]3 years ago
4 0
I think the answer would be 13

bagirrra123 [75]3 years ago
3 0
500 divided by .026 
The answer would be exactly 13 defective cellphones. 
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What is the opposite of +43​
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4. The Bulldog Theater charges $9.10 for each adult ticket and $7.75 for each student ticket. Mrs. Williams purchased 7 tickets
zhuklara [117]

Answer:

Two adult tickets and 5 student tickets

Step-by-step explanation:

Let a=adult tickets   Let s=student tickets

You know that each adult ticket is $9.10 and each student ticket cost $7.75. At the end, it cost $56.95 for both students and adults so the first equation should be 9.10a+7.75s=56.95. To get the second equation, you know that Mrs. Williams purchased 7 tickets in total that were both students and adults. Therefore, the second equation should be a+s=7. The two equations are 9.10a+7.75s=56.95

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Hope this helps

4 0
3 years ago
How did he get this 1/2i ? I dont remember studying this definition in calc 1 neither calc 2!
Hitman42 [59]
The i in the denominator is missing in the second expression. It should be

\sin at=\dfrac{e^{iat}-e^{-iat}}{2i}

This follows from

e^{iat}=\cos at+i\sin at
e^{-iat}=\cos at-i\sin at
\implies e^{iat}-e^{-iat}=2i\sin at
\implies \sin at=\dfrac{e^{iat}-e^{-iat}}{2i}
8 0
3 years ago
What is the interquartile range of this data?
jok3333 [9.3K]
Hello!

To find the interquartile range you subtract the lower quartile by the higher quartile

33 - 25 = 8

The answer is C)8

Hope this helps!
6 0
3 years ago
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