TG EAPCET 2024 (Online) 9th May Morning Shift | Probability Question 20 | Mathematics

A dealer gets refrigerators from 3 different manufacturing companies $C_1, C_2$ and $C_3 .25 \%$ of his stock is from $C_1, 35 \%$ from $C_2$ and $40 \%$ from $C_3$. The percentages of receiving defective refrigerators from $C_1, C_2$ and $C_3$ are $3 \% 2 \%, 1 \%$ respectively. If a refrigerator sold at random is found to be defective by a customer, then the probability that it is from $\mathrm{C}_2$ is

$\frac{29}{37}$

$\frac{8}{37}$

$\frac{14}{37}$

$\frac{15}{37}$

TG EAPCET 2024 (Online) 9th May Morning Shift

MCQ (Single Correct Answer)

-0

If the probability that a student selected at random from a particular college is good at mathematics is 0.6 , then the probability of having two students who are good at Mathematics in a group of 8 students of that college standing in front of the college, is

$\frac{2^6 \times 3^2 \times 7}{5^8}$

$\frac{2^6 \times 3^2 \times 7}{5^6}$

$\frac{2^8 \times 3^2 \times 7}{5^6}$

$\frac{2^8 \times 3^2 \times 7}{5^8}$

TG EAPCET 2024 (Online) 9th May Morning Shift

MCQ (Single Correct Answer)

-0

If on an average 4 customers visit a shop in an hour, then the probability that more than 2 customers visit the shop in a specific hour is

$\frac{e^4-13}{e^4}$

$\frac{4}{e^4}$

$\frac{8}{e^4}$

$\frac{e^4-21}{e^4}$

TS EAMCET 2023 (Online) 12th May Evening Shift

MCQ (Single Correct Answer)

-0

If $A$ and $B$ are two events of a random experiment such that $P(A \cup B)=P(A \cap B)$, then which one amongst the following four options is not true?

$A$ and $B$ are equally likely

$P\left(A \cap B^{\prime}\right)=0$

$P\left(A^{\prime} \cap B\right)=0$

$P(A)+P(B)=1$

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