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liberstina [14]
3 years ago
7

A shelf has four blue shirts, two green shirts, two gray shirts, one white shirt and one red shirt. You randomly choose one shir

t from the shelves. Find the probability of choosing a red shirt. Give your answer as a percent (ex. 32%)
Mathematics
2 answers:
Lostsunrise [7]3 years ago
7 0

Answer:

20 %

Step-by-step explanation:

four blue shirts, two green shirts, two gray shirts, one white shirt and one red shirt = 10 shirts

P(red) = number of red shirts / total

          = 2/10

          = 1/5

           =20 %

Drupady [299]3 years ago
6 0

Answer:

10%

Step-by-step explanation:

4 blue

2 green

2 gray              

1 white

1 red

4 + 2 + 2 + 1 + 1 = 10

each t-shirt = 10 percent

so 1 red t-shirt = 10%

You might be interested in
During a recent rainstorm, 8 centimeters of rain fell in Dubaku's hometown, and 2.36 centimeters of rain fell in Elliot's hometo
Nostrana [21]

Answer:

5.64 cm

Step-by-step explanation:

Required:How much more rain fell in Dubaku's town than in Elliot's town?

8 centimeters of rain fell in Dubaku's hometown

2.36 centimeters of rain fell in Elliot's hometown

We are asked to find how much more rain fell in Dubaku's town than in Elliot's town so it is calculated as the difference between the rain in both of there towns and is given by:

Difference in rain= 8-2.36

Difference in rain= 5.64 cm.

Therefore, 5.64 cm of more rain fell in Dubaku's town than in Elliot's town.

7 0
3 years ago
Select the correct answer.
ipn [44]

Answer:b

Step-by-step explanation:

5 0
3 years ago
A bag contains 8 red crayons, 14 purple crayons, 6 yellow crayons, and 4 Green crayons. A crayon is selected, NOT replaced, then
muminat

Answer:

3 / 248

Step-by-step explanation:

Draw 1:

Favourable Outcome / Total number of possible outcomes

=> 4/32

=> 1/8 chance for first draw

Draw 2:

Favourable Outcome / Total number of possible outcomes

=> 3/31 Chance of green for second draw

To find the chance of getting 2 greens at consecutive draws = 1/8 x 3/31

= 3/248

6 0
4 years ago
Simplify the expression. 7x + 6 + 3x -2 -5x
Simora [160]

Answer:

5x+4

Step-by-step explanation:

5x + 6 - 2

5x + 4

3 0
3 years ago
From her purchased bags, Rory counted 110 red candies out of 550 total candies. Using a 90% confidence interval for the populati
Svetlanka [38]

Answer:

The Confidence Interval = (0.172, 0.228)

Where:

The lower limit = 0.172

The upper limit = 0.228

Step-by-step explanation:

The formula to be applied or used to solve this question is :

Confidence Interval formula for proportion.

The formula is given as :

p ± z × √[p(1 - p)/n]

n = Total number of red candies = 550 red candles

p = proportion = Number of red candies counted/ Total number of red candies

= 110/550 = 1/5 = 0.2

z = z score for the given confidence interval.

We are given a confidence interval of 90%. Therefore, the z score = 1.6449

Confidence Interval = p ± z × √[p(1 - p)/n]

Confidence Interval = 0.2 ± 1.6449 × √[0.2(1 - 0.2)/550]

= 0.2 ± 1.6449 √0.2 × 0.8/550

= 0.2 ± 1.6449 × 0.0170560573

= 0.2 ± 0.0280555087

Hence, the Confidence Interval = 0.2 ± 0.0280555087

0.2 - 0.0280555087 = 0.1719444913

Approximately = 0.172

0.2 + 0.0280555087 = 0.2280555087

Approximately = 0.228

Therefore, the Confidence Interval = (0.172, 0.228)

Where:

The lower limit = 0.172

The upper limit = 0.228

4 0
3 years ago
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