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alina1380 [7]
3 years ago
14

The replacement times for DVD players are normally distributed with a mean of 7.1 years and a standard deviation of 1.5 years (d

ata from Consumer Reports). What is the probability that a randomly selected DVD player will be replaced in less than 5 years?  
  In a city, it is estimated that the maximum temperature in June is normally distributed with a mean of 23º and a standard deviation of 5°. Calculate the probability of having a maximum temperature between 20° and 28°.
Mathematics
1 answer:
Nikitich [7]3 years ago
6 0

branily.com//Httpstesxt

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Response will be saved automatically.
Charra [1.4K]

Answer:

443.28

Step-by-step explanation:

Subtract 42.24 from 570.3 three times.

3 0
3 years ago
There are two similar right triangles. One has side lengths of 6, 8, and 10. The other has side lengths of 24, and 18. What is t
maxonik [38]

Answer:

30

Step-by-step explanation:

24/8 = 3

18/6= 3

10x3 = 30

3 0
3 years ago
How many lines of symmetry, if any, exist for trapezoid ABCD?
galben [10]
I think the answer is 1 but I can’t see the picture
8 0
3 years ago
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Write the ordered pair that represents yzThen find the magnitude of yz.<br> Y(5,0), Z(7,6)
Annette [7]

Answer: (2,6) ; 2sqrt10 units

Step-by-step explanation:

7 0
3 years ago
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400 hundred thousand 13 thousand 11 hundreds and 4 ones in standard form
VikaD [51]
400,000,014,104

should be your answer

hope this helps
6 0
3 years ago
Read 2 more answers
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