What is the reciprocal of 3 and 1/5

2 answers:

7 0

To find the reciprocal of 3 and 1/5, first you have to put it into a improper fraction.

3=5/5*3=15/3
15/3+1/5=16/3

3 1/5=16/3

To find the reciprocal, you simply flip the top and the bottom.
3/16

Hope this helps!
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Vaselesa [24]1 year ago

4 0

1/3 and 5 because 3/1 is three and 1/3 is the opposite while 1/5 is 5/1 which is 5.

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Complete Question

The complete question is shown on the first uploaded image

Answer:

Yes the selection of 15 is a binomial experiment

$P(r = 15) = 3.2768 *10^{-11}$

$P(r = 5) = 0.1032$

$P(r \ge 1 ) = 0.9648$

Step-by-step explanation:

considering question a

Generally for and experiment to be binomial

The trial must be independent

There must be only two outcomes for each trial

Generally given that that the 15 adults are selected randomly which mean that the trials will be independent and that desired outcome is ''ether the adult save something for retirement or the adult saves nothing for retirement ''

Then we can say that the selection of 15 adult at is a binomial experiment

Considering question b

Generally the probability that all of the adults save nothing for retirement is mathematically represented as

$P(r = n) = ^nC_r * p^r * q^{n-r}$