goldman sachs software engineer intern online assessment questions
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Summer Intern OA ： 三月份收到的OA
求大米！
分享两题数学题：
Probability and Statistics Let XXX have the probability density function
f(x)=0.5e−∣x∣f(x) = 0.5e^{-|x|}f(x)=0.5e−∣x∣
where −∞<x<∞-\infty < x < \infty−∞<x<∞.
What is the probability that ∣X∣|X|∣X∣ falls between 2 and 4?
Round your answer to three decimal places.
Pick ONE option:
A. 0.117
B. 0.018
C. 0.135
D. 0.068
Probability and Statistics – Aces in HandYou are dealt 5 cards at random from a standard deck of poker cards, and are told that at l...
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Summer Intern OA ： 三月份收到的OA
求大米！
分享两题数学题：
Probability and Statistics Let XXX have the probability density function
f(x)=0.5e−∣x∣f(x) = 0.5e^{-|x|}f(x)=0.5e−∣x∣
where −∞<x<∞-\infty < x < \infty−∞<x<∞.
What is the probability that ∣X∣|X|∣X∣ falls between 2 and 4?
Round your answer to three decimal places.
Pick ONE option:
A. 0.117
B. 0.018
C. 0.135
D. 0.068
Probability and Statistics – Aces in HandYou are dealt 5 cards at random from a standard deck of poker cards, and are told that at least 3 of them are aces.
What is the probability that all 4 aces are in your 5-card hand?
Pick ONE option:
A. 1/2
B. 1/13
C. 1/95
D. 1/48