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NeX [460]
3 years ago
8

Can someone help me pls

Mathematics
1 answer:
jeka943 years ago
8 0
The answer for this is C
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Assume that X is Normal with mean $ 240 and standard deviation $60 . the probability that , in a randomly selected week , Dan wi
enyata [817]

Answer:

The probability of Dan making less than $255 is 0.5987 or 59.87%

Step-by-step explanation:

Given that:

Mean = μ = $240

SD = σ = $60

We have to find the probability that Dan will make less than $255

First of all, we have to find the z-score of 255

z-score is denoted by z and is given by the formula

z = \frac{x-mean}{SD}

Here,

x = 255

Putting the values

z = \frac{255-240}{60}\\z = \frac{15}{60}\\z = 0.25

Now we have to look at the z-score table to find the probability of 0.25

P(x<255) = 0.5987

Converting into percentage

59.87%

Hence,

The probability of Dan making less than $255 is 0.5987 or 59.87%

3 0
3 years ago
WILL GIVE BRAINLIEST
Nonamiya [84]
It's consistent and coincident because there the same equations just switch around so it's a dependent system which makes it a coincident and since the equations are consistent with each other too. :) Hope this helped!!
3 0
3 years ago
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Antony borrows $6.50 from a friend to pay for a sandwich and a drink at lunch. Then he borrows $3.75 from his sister to pay a li
rjkz [21]

Answer:

$10.25

Step-by-step explanation:

6 0
3 years ago
Pls help asap! i will mark brainliest!
mina [271]

Answer:

3

Step-by-step explanation:

2 x 7= 14 - 17= 3

6 0
2 years ago
Claudia is hand painting crafts in her studio. She has 7/8 of an hour to paint before she must be home. It takes Claudia 1/16 an
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Answer:

14

Step-by-step explanation:

7/8 ÷ 1/16 = 7/8 × 16/1

7/8 × 16/1 = 14

8 0
3 years ago
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