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horrorfan [7]
3 years ago
15

/

Mathematics
1 answer:
vazorg [7]3 years ago
4 0

Answer:

sorry, i haven't understood your question!! how can i tell which statement is false.

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Suppose that the probability that your mail is delivered before 2pm is .90. What is the probability that your mail will be deliv
Elden [556K]
1. The probability that your mail is delivered before 2 pm is 0.9, so the probability that the mail is delivered at 2 pm or after 2 pm (so not before 2 pm) is 1-0.9=0.1.

Remark: 0.9=9/10=90/100=90%, and 0.1 is 10%

2. Probability of the mail being delivered before 2 pm for 2 consecutive days is 
\frac{90}{100}*  \frac{90}{100}= \frac{9}{10}*  \frac{9}{10}= \frac{81}{100}=0.81

3. take a look at the picture attached, the tree diagram is another method we could use. 

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3 years ago
The temperature dropped 2 F every hour for 7 hours. What was the total number of
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multiply 2 * 7 you get 14F

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x = 10

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a car that was originally worth 29500$ it depreciates at a rate of 2500$ per year find the value of the car after six years
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Solve by using the measurements ∠PQR = 90°, ∠QRP = 80°, and r = 15. Round measures of sides to the nearest tenth and measures of
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Good evening ,

___________________

Step-by-step explanation:

Look at the photo below for the answer.

:)

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