ACTUARY Actuarial Models 1

Question 1

The probability that a person aged 40 survives to age 50 is 0.85. What is the probability that the same person dies before age 50?

Accepted Answer

0.15

Answer

0.10

Answer

0.20

Answer

0.25

Question 2

An insurance company covers losses up to $10,000 per claim. If the probability distribution of losses is:
P(X≤10,000)=0.7, P(X>10,000)=0.3,
and the average claim for losses exceeding $10,000 is $15,000, what is the expected claim amount?

Accepted Answer

$9,500

Answer

$9,000

Answer

$10,000

Answer

$10,500

Question 3

An insurance company observes that the average claim amount for a policyholder is $1,200, based on past experience. The population mean is $1,000 with a variance of $400. What is the Bayesian estimate of the claim amount if the weight of credibility (Z) is 0.6?

Accepted Answer

$1,120

Answer

$1,040

Answer

$1,080

Answer

$1,160

Question 4

The hazard rate for a survival model is given by ℎ(𝑡)=0.02. What is the probability that an individual survives beyond time t=5?

Accepted Answer

0.95

Answer

0.90

Answer

0.99

Answer

1.00

Question 5

An insurance company models aggregate losses as the sum of 𝑁 independent claims, where 
𝑁 follows a Poisson distribution with mean 𝜆=5, and each claim amount is $1,000. What is the expected aggregate loss?

Accepted Answer

$5,000

Answer

$6,000

Answer

$7,000

Answer

$8,000

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