GATE & PSUs - Engineering Mathematics & General Aptitude (Common)

Random Variables & Probability Distributions (Binomial, Poisson, Normal, Exponential) question bank (Probability & Statistics)

Practice 8 free GATE & PSUs - Engineering Mathematics & General Aptitude (Common) Probability & Statistics - Random Variables & Probability Distributions (Binomial, Poisson, Normal, Exponential) questions with answers and step-by-step solutions.

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Q1.
[Random Variables & Probability Distributions (Binomial, Poisson, Normal, Exponential) Concept 2] An unbiased coin is tossed 10 times independently. What is the probability of obtaining exactly 6 heads?

(A)
$\frac{105}{512} \approx 0.205$
(B)
$\frac{63}{256} \approx 0.246$
(C)
$\frac{1}{2}$
(D)
$\frac{15}{64} \approx 0.234$
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Q2.
[Random Variables & Probability Distributions (Binomial, Poisson, Normal, Exponential) Concept 6] An unbiased coin is tossed 10 times independently. What is the probability of obtaining exactly 6 heads?

(A)
$\frac{105}{512} \approx 0.205$
(B)
$\frac{63}{256} \approx 0.246$
(C)
$\frac{1}{2}$
(D)
$\frac{15}{64} \approx 0.234$
Show answer & solution
Verified Answer & Solution Locked
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