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katen-ka-za [31]
3 years ago
9

A spinner is separated into 5 equal pieces, as shown below: A spinner is shown with five colors, brown, blue, purple, orange and

red marked on it. The arrow points towards the brown color. Patrick spins the spinner 9 times. What is the theoretical probability that it stops on the brown sector on the last spin?
1 over 45

1 over 25

1 over 9

1 over 5
Mathematics
2 answers:
son4ous [18]3 years ago
4 0
1 over 5 is the answer, therer are 5 colors and a chance of landing on them is 1/5 for each
tia_tia [17]3 years ago
4 0

Answer:  The answer is 1/5

Step-by-step explanation:

I got it right on my test.

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Josh travels frequently. For a particular airline, it takes 20 minutes for the first bag to arrive in baggage claim after a flig
Orlov [11]

Using the uniform distribution, it is found that:

A,B) 0.3 of the time does it take longer than 27 minutes for Josh’s bag to arrive in baggage claim.

C) 20% of the time does Josh’s bag arrive in less than 22 minutes.

--------------------------

An uniform distribution has two bounds, a and b.  

The probability of finding a value of at lower than x is:

P(X < x) = \frac{x - a}{b - a}

The probability of finding a value between c and d is:

P(c \leq X \leq d) = \frac{d - c}{b - a}

The probability of finding a value above x is:

P(X > x) = \frac{b - x}{b - a}

--------------------------

  • In the graph, we have that the distribution is uniform between 20 and 30 minutes, thus a = 20, b = 30

--------------------------

Itens a and b:

  • Above 27 minutes, thus:

P(X > 27) = \frac{30 - 27}{30 - 20} = 0.3

0.3 of the time does it take longer than 27 minutes for Josh’s bag to arrive in baggage claim.

--------------------------

Item c:

  • Less than 22 minutes, thus:

P(X < 2) = \frac{22 - 20}{30 - 20} = 0.2

0.2*100 = 20%

20% of the time does Josh’s bag arrive in less than 22 minutes.

A similar problem is given at brainly.com/question/15855314

6 0
3 years ago
Solve the equation and show your work please <br> 5s=7s+1-2s
Helen [10]
Does this have certain answers?
4 0
3 years ago
Read 2 more answers
Jo rode her bicycle 8 miles on Tuesday and 10 miles on Wednesday. What is the mean number of miles she rode her bike in the two
Contact [7]
Mean equals average

So 8 plus 10 equals 18

18 divided by 2 is 9

Mean is 9
6 0
4 years ago
Suppose that the mean GPA (grade point average) for a random sample of all seventh graders at your school is 3.25 and the mean G
elena-14-01-66 [18.8K]

Answer:

I don't know how to explain

6 0
2 years ago
In 2010, the population of a city was 161,000. From 2010 to 2015, the population grew by 8%. From 2015 to 2020, it fell by 6.7%.
solniwko [45]

Answer:

99%

Step-by-step explanation:

2010 population = 161,000

From 2010 to 2015, the population grew by 8%.

2010 to 2015 = 161,000 + (8% of 161,000)

= 161,000 + (0.08 * 161,000)

= 161,000 + 12,880

= 173,880

2010 to 2015 = 173,880

From 2015 to 2020, it fell by 6.7%

2015 to 2020 = 173,880 - (6.7% of 173,880)

= 173,880 - (0.067 * 173,880)

= 173,880 - 11,649.96

= 162,230.04

2015 to 2020 = 162,230.04

what percent did the city grow from 2010 to 2020.

= 161,000 / 162,230.04 × 100

= 0.9924179270374 × 100

= 99.241792703743

Approximately, 99% to the nearest whole number

4 0
3 years ago
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