Question

Chet is applying to both NYPD and CSI. The probability that he gets into NYPD is 0.6. The probability that he gets into CSI is 0.7. The probability that he gets into both is 0.4. What is the probability that he gets in to only NYPD?

Answer 1

@jim_thompson5910 I got 0.2....

Answer 2

the options are .1 .2 .3 .4 .5

Answer 3

And I'm having troubles with this one: On the math portion of the SAT, the mean score was 510 with a standard deviation of 95. On the verbal portion, the mean score was 530 with a standard deviation of 85. We now know the mean of the combined score is 1040 with a standard deviation of 127.48. Given that these are normal distributions, we can do normal calculations with the combined statistics.

What is the probability that a random student scored 1100 or better?

0.3189

1.2232

1.987

2.302

Answer 4

I made a venn diagram and got .2

Answer 5

as my answer?

Answer 6

the probability of getting into both is 0.4, so

Answer 7

for CSI only, you do

0.7 - 0.4 = 0.3

so that goes in the right circle

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Answer 11

how

Answer 12

k

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Check please
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Answer 27

Prompt
Write a short script (15u201320 lines) that creates an imagined scene between two or three characters.