Three randomly chosen nonnegative integers x,yandzare found to satisfy the equation x+y+z=10.Then the probability that zis even, is:125 (b) 21 (c) 116 (d) 5536
An insurance company insured 2000 scooter drivers, 4000 car drivers and 6000 truck drivers. The probability of an accident involving a scooter, a car and a truck are 0.01, 0.03 and 0.15 respectively. One of the insured persons meets with an accident. What is the probability that he is a scooter driver.
If C and D are two events such that C⊂DandP(D)=0, then the correct statement among the following is :
There are five students S1, S2, S3, S4and S5in a music class and for them there are five seats R1, R2, R3, R4and R5arranged in a row, where initially the seat Riis allotted to the student Si, i=1, 2, 3, 4, 5. But, on the examination day, the five students are randomly allotted five seats.The probability that, on the examination day, the student S1gets the previously allotted seat R1, and NONE of the remaining students gets the seat previously allotted to him/her is403(b) 81(c) 407(d) 51
In a hostel 60% of the students read Hindi newspaper, 40% read English newspaper and 20% read Hindi and English newspapers. A student is selected at random.
Find the probability that he reads neither Hindi nor English newspaper.
Four cards are drawn successively with replacement from a well shuffled deck of 52 cards. What is the probability that (i) all the four cards are spades ?(ii) only 2 cards are spades ?