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rosijanka [135]
3 years ago
11

A child plays a video game 155 times and wins the game 32 times. What is the experimental probability that the child loses the v

ideo game?
Mathematics
1 answer:
chubhunter [2.5K]3 years ago
4 0
1 out of 5 games could be the answer
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Paulo works at the United Nations. He researched what percent of the world's population lives on each continent. He surveys a sa
Fofino [41]

Answer:

confidence interval using a  two sample t test between percents

Step-by-step explanation:

confidence interval using a  two sample t test between percents This can be used to compare percentages drawn from two independent samples in this case employees. It is used to compare two sub groups from a single sample example the population on the planet

5 0
2 years ago
A photography studio charges a sitting fee of $45 plus $2.50 per photograph. Another photography studio has no sitting fee but c
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The answer would be 12
5 1
3 years ago
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A person on a moving sidewalk travels 40 feet in 8 seconds. The moving sidewalk has a length of 200 feet. How long will it take
beks73 [17]

Answer:

The man covers 200 ft in 40 seconds.

Step-by-step explanation:

A person is moving on the sidewalk from one end to the other end.

He walks 40 feet in 8 seconds.

Therefore his speed = \frac{distance covered}{time}

                                   = \frac{40}{8}

                                   = 5 ft/s^{2}

He covers the sidewalk distance at a rate of 5 feet every second.

To calculate the time taken to cover 200 ft,

time = \frac{distance to be covered}{speed}

time =\frac{200}{5}

<u>time  = 40 seconds</u>

Hence the man covers 200 ft in 40 seconds.

4 0
3 years ago
8 times the difference of u and 10
koban [17]

Answer: 8(u - 10)

Step-by-step explanation:

8 0
2 years ago
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Solve the following equation by using the addition principle. Check the solution.
omeli [17]

Answer:

y = 11/20

Step-by-step explanation:

-4/5 + y = -1/4

Add 4/5 to each side

-4/5  +4/5 + y = -1/4+4/5

y = -1/4 + 4/5

Get a common denominator

y = -1/4 *5/5   + 4/5 *4/4

y = -5/20 + 16/20

y = 11/20

Check

-4/5 +11/20 = -1/4

Get a common denominator

-4/5*4/4 + 11/20 = -1/4*5/5

-16/20 +11/20 = -5/20

-5/20 = - 5/20

Check

3 0
3 years ago
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