1
GATE ME 2015 Set 1
+1
-0.3
The probability of obtaining at least two $$'SIX'$$ in throwing a fair dice $$4$$ times is
A
$$425/432$$
B
$$19/144$$
C
$$13/144$$
D
$$125/432$$
2
GATE ME 2015 Set 1
+1
-0.3
Ram and Ramesh appeared in an interview for two vacancies in the same department. The probability of Ram's selection is $$1/6$$ and that of Ramesh is $$1/8$$. What is the probability that only one of them will be selected?
A
$$47/48$$
B
$$1/4$$
C
$$13/48$$
D
$$35/48$$
3
GATE ME 2015 Set 1
+1
-0.3
Among the four normal distributions with probability density functions as shown below, which one has the lowest variance?
A
$${\rm I}$$
B
$${\rm I}$$$${\rm I}$$
C
$${\rm I}$$$${\rm I}$$$${\rm I}$$
D
$${\rm I}$$$$V$$
4
GATE ME 2014 Set 4
Numerical
+1
-0
A nationalized bank has found that the daily balance available in its savings accounts follows a normal distribution with a mean of Rs. $$500$$ and a standard deviation of Rs. $$50.$$ The percentage of savings account holders, who maintain an average daily balance more than Rs. $$500$$ is