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## Category : Quantitative Ability

Maths Queries for Competitive examinations.

## determine the probability distribution.

Question
Consider a population whose values are equally likely to be either 1 or 2. Determine the expected value and variance of the sample mean for a sample of size 2. Also determine its probability distribution.
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Quantitative Ability gb_gbhavya 2 weeks 0 Answers 20 views 0

## The Magazine Mass Marketing Company has received 15 entries in its latest sweepstakes. They know that the probability of receiving a magazine subscription order with an entry form is 0.5. What is the probability that less than a third of the entry forms will include an order? Round your answer to four decimal places.

Question
The Magazine Mass Marketing Company has received 1515 entries in its latest sweepstakes. They know that the probability of receiving a magazine subscription order with an entry form is 0.50.5. What is the probability that less than a third of the entry forms ...
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Quantitative Ability bstehle18 2 months 0 Answers 38 views 0

## The Magazine Mass Marketing Company has received 15 entries in its latest sweepstakes. They know that the probability of receiving a magazine subscription order with an entry form is 0.5. What is the probability that less than a third of the entry forms will include an order? Round your answer to four decimal places.

Question
The Magazine Mass Marketing Company has received 1515 entries in its latest sweepstakes. They know that the probability of receiving a magazine subscription order with an entry form is 0.50.5. What is the probability that less than a third of the entry forms ...
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Quantitative Ability bstehle18 2 months 0 Answers 34 views 0

## It took a group of men 5 days to shift 545 crates

Question
It took a group of men 5 days to shift 545 crates. Every day after the first, 6 more men than the previous day were put on the job. Also, every day after the first, each man, by arrangement, shifted ...
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Quantitative Ability 7 months 1 Answer 150 views 0

## Ratio of speed of trains

Question
Two Shinkansen train A and B starts from Kyoto and Tokyo towards Tokyo and Kyoto respectively at the same time. After passing each other they take additional one hour and two hour each to reach their destination. What is the ...
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Quantitative Ability Animesh Kedawat 11 months 1 Answer 380 views 0

## quant questions

Question
Q.no.-(1) The HCF of how many distinct pair of factors 18000is 75
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Quantitative Ability pankaj 2 years 1 Answer 1764 views 0

## Number of triplets possible

Question
a, b, c are three distinct integer from 2 to 10 (both inclusive). Exactly one of ab, bc, and ca is odd. abc is a multiple of 4. The arithmetic mean of a and b is an integer and so ...
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Quantitative Ability Ankush Bansal 2 years 1 Answer 226 views 0

## Aptitude Question

Question
The liquid X and Y are mixed in the ratio of 3:2 and the mixture is sold at 11 rupees per litre at a profit of 10%. If the liquid X costs 2 rupees more per litre that Y, the ...
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Quantitative Ability Shweta Gupta 2 years 1 Answer 280 views 0

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