Mathematics: A salon owner noted what types of services its clients requested last week. Here are the results. 5% dye only, 30% haircut and dye, 35% haircut only, 10 % hair cut and permanent, 5% permanent only, and 15% other. Find the probability that a randomly chosen client requested a haircut given the requested a permanent. P(haircut l permanent).

First, turn the second one into a normal fraction: Then set the denominators equal: Solve: So the answer should be...

A salon owner noted what types of services its clients

Ответ:

Jsquad8879

23.01.2022

Mathematics

2/3

Step-by-step explanation:

So we have 10%+5%=15% of clients under the condition "permanent", and we can find the probability that a client in that group requested a haircut:

P(haircut | permanent)=10%/15%=2/3

A salon owner noted what types of services its clients requested last week. Here are the results. 5%

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Ответ:

monai2005

04.09.2022

Mathematics

First, turn the second one into a normal fraction:
$1 \times \frac{3}{5} = \frac{8}{5}$
Then set the denominators equal:
$\frac{1}{4} - \frac{8}{5} = \frac{5}{20} - \frac{32}{20}$
Solve:
$\frac{5 - 32}{20} = \frac{ - 27}{20}$
So the answer should be
$\frac{ - 27}{20}$

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