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Aliun [14]
3 years ago
7

I'll mark brainliest!

Mathematics
1 answer:
GuDViN [60]3 years ago
4 0

Answer:

im answering so he can have it :D

Step-by-step explanation:

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Automobile policies are separated into two groups: low-risk and high-risk. Actuary Rahul examines low-risk policies, connuing un
jonny [76]

Answer:

The probability that Actuary Rahul examines fewer policies that Actuary Toby = 0.2857

Step-by-step explanation:

It is said that Actuary Rahul examines a low risk policy

Probability of a low risk policy having a claim = 10% = 0.1

Actuary Toby examines high risk policy

Probability of a high risk policy having a claim = 20% = 0.2

Let the number of policies examined by actuary Rahul before he finds a claim and stop be n

Probability that actuary Rahul examines exactly n policies =  0.9^{n-1} (0.1)

Probability that Toby examines more than n policies = 0.8^n

Since the claim statuses of policies are mutually independent, the probability that both events happen simultaneously = 0.9^{n-1} (0.1) (0.8)^n

probability that both events happen simultaneously = \frac{0.1}{0.9} (0.72^{n})

The probability that Actuary Rahul examines fewer policies that Actuary Toby = \sum\limits^ \infty_1 {\frac{0.1}{0.9} 0.72^{n} } = \frac{1}{9}\sum\limits^ \infty_1 { 0.72^{n} } = \frac{1}{9} (\frac{0.72}{1-0.72} ) = \frac{1}{9} (\frac{0.72}{0.28} )

The probability that Actuary Rahul examines fewer policies that Actuary Toby = 0.2857

5 0
3 years ago
A city park has a train ride. The profit the park earns from the daily train rides is based on the number of passengers,
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Answer:

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5 0
3 years ago
It takes Shonda of an hour to dry one load of laundry in her dryer. How many hours will it take her to dry 7 loads of laundry?
ElenaW [278]
7 hours because 1 load = 1 hour so 7 loads = 7 hours
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3 years ago
What is the solution to 4x=20
Katarina [22]

Answer:

5

Step-by-step explanation:

4x = 20

x = 20/4

x = 5

hope you get it...

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3 years ago
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True or false?
Firdavs [7]

Answer:

b

Step-by-step explanation:

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