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GaryK [48]
3 years ago
7

Someone help please i dont know how to do this

Mathematics
1 answer:
Olenka [21]3 years ago
3 0

Area of the parallelogram = 14 * PQ

Area of the triangle

= 1/2 * PQ*MQ = 1/6 * 14 * PQ

Divide through by PQ

1/2 MQ = 1/6 * 14

MQ = 1/6 * 14 * 2 = 4 2/3 cm^3 ( or 4.67 cm^3 to nearest hundredth.)

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A particular telephone number is used to receive both voice calls and fax messages. suppose that 20% of the incoming calls invol
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Answer:

0.1091 or 10.91%

Step-by-step explanation:    

We have been given that a particular telephone number is used to receive both voice calls and fax messages. suppose that 20% of the incoming calls involve fax messages and consider a sample of 20 calls. We are asked to find the probability that exactly 6 of the calls involve a fax message.  

We will use Bernoulli's trials to solve our given problem.

P(X=x)=^nC_x\cdot P^x(1-P)^{n-x}

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Therefore, the probability that exactly 6 of the calls involve a fax message would be approximately 0.1091 or 10.91%.

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Can someone explain this using numbers<br>example : -2x3x=-6x<br>Please help me!!
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