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GATE 2019 Mathematics Revision Quiz 2 (App update required to attempt this test)
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Question 1
Probability (up to one decimal place) of consecutively picking 3 red balls without replacement from a box containing 5 red balls and 1 white ball is _________
Question 2
In an experiment, positive and negative values are equally likely to occur. The probability of obtaining at most one negative value in five trials is
Question 3
There are 25 calculators in a box. Two of them are defective. Suppose 5 calculators are randomly picked for inspection (i.e., each has the same chance of being selected), what is the probability that only one of the defective calculators will be included in the inspection?
Question 4
The probability density function of evaporation E on any day during a year in a watershed is given by
The probability that E lies in between 2 and 4 mm/day in a day in the watershed is (in decimal) __________
The probability that E lies in between 2 and 4 mm/day in a day in the watershed is (in decimal) __________
Question 5
A person on a trip has a choice between private car and public transport. The probability of using a private car is 0.45. While using the public transport, further choices available are bus and metro, out of which the probability of commuting by a bus is 0.55. In such a situation, the probability (rounded up to two decimals) of using a car, bus and metro, respectively would be
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Jun 18ESE & GATE CE