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3 years ago

The table shows the number of high school employees by gender and position, what percent of the

Mathematics

1 answer:

miss Akunina [59]3 years ago

6 0

Answer: 22%

Step-by-step explanation:

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A box contains 5 red balls, 6 white balls and 9 black balls. Two balls are drawn at

valina [46]

Answer:

$P(Same)=\frac{61}{190}$

Step-by-step explanation:

Given

$Red = 5$

$White = 6$

$Black = 9$

Required

The probability of selecting 2 same colors when the first is not replaced

The total number of ball is:

$Total = 5 + 6 + 9$

$Total = 20$

This is calculated as:

$P(Same)=P(Red\ and\ Red) + P(White\ and\ White) + P(Black\ and\ Black)$

So, we have:

$P(Same)=\frac{n(Red)}{Total} * \frac{n(Red) - 1}{Total - 1} + \frac{n(White)}{Total} * \frac{n(White) - 1}{Total - 1} + \frac{n(Black)}{Total} * \frac{n(Black) - 1}{Total - 1}$

Note that: 1 is subtracted because it is a probability without replacement

$P(Same)=\frac{5}{20} * \frac{5 - 1}{20- 1} + \frac{6}{20} * \frac{6 - 1}{20- 1} + \frac{9}{20} * \frac{9- 1}{20- 1}$

$P(Same)=\frac{5}{20} * \frac{4}{19} + \frac{6}{20} * \frac{5}{19} + \frac{9}{20} * \frac{8}{19}$

$P(Same)=\frac{20}{380} + \frac{30}{380} + \frac{72}{380}$

$P(Same)=\frac{20+30+72}{380}$

$P(Same)=\frac{122}{380}$

$P(Same)=\frac{61}{190}$

4 0

2 years ago

What's $10,100 Afghanistan converted into US$ Please answer with how you got your answer

Wewaii [24]

Hi :)

10, 100 Afghani Afghani (currency name) is $1212 USD with the conversion you provided. Today it's like $117.41.

7 0

2 years ago

PLEASE HELP ILL GIVE BRAINLIEST!!

leonid [27]

Answer:

g(5) = 5

Step-by-step explanation:

g(5) is really g when x=5 so we have to use the function g(x) when x≥2

g(5) = 2x-5 when x=5

g(5) = 2*5 -5 = 10-5 = 5

6 0

2 years ago

What is 50 divide by 25 times 2 divided by 5 ?

klemol [59]

0.8 i think I’m not sure .

3 0

2 years ago

Read 2 more answers

Find the GCF. 12 and 45 A. 180 B. 3 C. 45 D. 12

marin [14]

The greatest common factor that twelve & forty-five share is three.

7 0

2 years ago