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2 years ago

I’m not on here for strait up answers but I need help on how to set this problem up.number 13

Mathematics

1 answer:

Agata [3.3K]2 years ago

7 0

The town receives 5 inches of rain per week so multiply 5 by the number of weeks in a 31 day month

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A study by a reputable research organization found that when presented with prints from the same individual, a fingerprint expe

Llana [10]

Answer:

a. 0.6899

b. 0.1642

Step-by-step explanation:

a. Given the probability of success is 0.94 for an expert and that the number of pairs, n=6:

-Each attempt is independent and therefore the probability of the events is calculated as:

$P(A \ and \B )=P(A)\times P(B)\\\\P(6)=0.94\times0.94\times0.94\times0.94\times0.94\times0.94\\\\=0.6899$

Hence, the probability of correctly identifying the 6 matches is 0.6899

b.Given the probability of success is 0.74 for a novice and that the number of pairs, n=6:

-Each attempt is independent and therefore the probability of the events is calculated as:

$P(A \ and \B )=P(A)\times P(B)\\\\P(6)=0.74\times0.74\times0.74\times0.74\times0.74\times0.74\\\\=0.1642$

#Hence, the probability of correctly identifying the 6 matches is 0.1642

*I have used the sample size of 6(due to conflicting info/question size).

7 0

2 years ago

Any thoughts im really confused on it

wariber [46]

In step two he flipped the fraction back to how it was originally but he was supposed to leave it improper in order to multiply

4 0

2 years ago

If the mean, median and mode of a distribution are 5, 6, 7 respectively, then the distribution is:

QveST [7]

<span>the distribution is 43

</span>

3 0

2 years ago

An artist is using right triangles in her design. If all the

katovenus [111]

I think it’s C because a triangle is 180 degrees and it’s a right triangle which means there is a 90 degrees angle + 30 degrees.
90+30=120. 180-120=60
Which means the third angle is 60 degrees

3 0

2 years ago

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Split 63 into the ratio 4:3

ladessa [460]

Answer:

36 and 27

Step-by-step explanation:

4+3=7

63/7=9

9x4=36

9x3=27

4 0

2 years ago

Read 2 more answers