Related Questions

If two fair coins are flipped and at least one of the outcomes is known to be a head, what is the probability that both outcomes are heads?
A $$\frac{1}{3}$$
B $$\frac{1}{4}$$
C $$\frac{1}{2}$$
D $$\frac{2}{3}$$
Certain number of children were playing a game of football. There was a trial taking place on the field. In this trial the probability that a goal is scored is 2/5. The probability that a girl hits a goal is 7/10 whereas the probability that a boy hits a goal is 1/5. What will be the probability that not only a goal is hit but it is also hit by a boy?
A 14/50
B 7/50
C 2/5
D 2/25
Certain numbers of children were playing a game of football. There was a trial taking place on the field. In this trial the probability that a goal is scored is 2/5. The probability that a gril hits a goal is 7/10 whereas the probability than a boy hits a goal is 1/5. What will be the probability that not only a goal is hit but it is also hit by a boy?
A 14/50
B 7/50
C 2/5
D 2/25
Eight people are planning to share equally the cost of a rental car . If one person withdraws from the arrangement and the others share equally the entire cost of the car ,then the share of each of the remaining persons will be increased by -
A 1/7
B 1/85
C 7/8
D 1/2
After distributing the chocolates equally among 25 kids, 8 chocolates remain . Had the number of children been 28 , 22 chocolates would have been left after equally distributing. Find the total number of chocolates?
A 315
B 358
C 368
D 322
Eight people are planning to share equally the cost of a rental car. If one person withdraws from the arrangement and the others share equally the entire cost of the car, then the share of each of the remaining persons will be increased by-
A 18
B 17
C 78
D None of these
The probability that a student will graduate with honors and get a good job is 0.09 whereas the probability that a student will graduate with honors is 0.1. What is the probability that a student will get a good job if she graduates with honors?
A 90%
B 9%
C 0.9%
D 18%
Consider a company that assembles computers. The probability of a faulty assembly of any computer is p. The company therefore subjects each computer to a testing process. This testing process gives the correct result for any computer with a probability of q. What is the probability of a computer being declared faulty?
A pq + (1 - p) (1 - q)
B (1 - q)p
C (1 - p)q
D pq
একটি ছক্কা এমনভাবে তৈরি যেন জোড় সংখ্যা আসার সম্ভাবনা বেজোড় সংখ্যা আসার সম্ভাবনার দ্বিগুণ হয়। ছক্কাটি একবার নিক্ষেপ পরীক্ষায় 4 এর কম পড়ার সম্ভাবনা কত? ( A biased die is so loaded that an even number is twice as likely to appear compared to an odd number. Find the probability of getting a number less than 4 in a single toss?)
A 1/9
B 4/6
C 4/9
D 1/6
Which of the following faults is most likely to occur in cables?
A Cross or short-circuit fault
B Open circuit fault
C Breakdown of cable insulation
D All of the above

Next steps