MHT CET 2024 16th May Morning Shift | Probability Question 64 | Mathematics

A box contains 15 green and 10 yellow balls. If 10 balls are randomly drawn, one by one, with replacement, then the variance of the number of green balls drawn is

$6$

$4$

$\frac{6}{25}$

$\frac{12}{5}$

MHT CET 2024 15th May Evening Shift

MCQ (Single Correct Answer)

-0

Suppose three coins are tossed simultaneously. If $X$ denotes the number of heads, then probability distribution of x is

$X=x$	0	1	2	3
$P(X=x)$	$\frac{2}{8}$	$\frac{2}{8}$	$\frac{3}{8}$	$\frac{1}{8}$

$X=x$	0	1	2	3
$P(X=x)$	$\frac{1}{8}$	$\frac{3}{8}$	$\frac{3}{8}$	$\frac{1}{8}$

$X=x$	0	1	2
$P(X=x)$	$\frac{3}{8}$	$\frac{3}{8}$	$\frac{2}{8}$

$X=x$	0	1	2	3
$P(X=x)$	$\frac{1}{8}$	$\frac{1}{8}$	$\frac{3}{8}$	$\frac{3}{8}$

MHT CET 2024 15th May Evening Shift

MCQ (Single Correct Answer)

-0

Four fair dice are thrown independently 27 times. Then the expected number of times, at least two dice show up a three or a five is

MHT CET 2024 15th May Evening Shift

MCQ (Single Correct Answer)

-0

If two fair dice are rolled, then the probability that the sum of the numbers on the upper faces is at least 9, is

$\frac{1}{3}$

$\frac{4}{11}$

$\frac{5}{18}$

$\frac{5}{36}$

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