DP Mathematics SL Questionbank

Expected value (mean), E(X)E(X) for discrete data.
Path: |
Description
[N/A]Directly related questions
- 18M.2.sl.TZ1.2c: The die is rolled 80 times. On how many rolls would you expect to obtain a three?
- 18M.2.sl.TZ1.2b: Calculate the expected value of the score.
- 18M.2.sl.TZ1.2a: Find the value of k.
- 17M.2.sl.TZ1.4b.ii: Hence, find the probability that fewer than kk students are left handed.
- 17M.2.sl.TZ1.4b.i: Hence, find the probability that exactly kk students are left handed;
- 17M.2.sl.TZ1.4a: Find kk.
- 16M.2.sl.TZ1.8b: (i) A day is chosen at random. Write down the probability that Machine A has no...
- 16M.2.sl.TZ1.8a: Find kk.
- 12N.1.sl.TZ0.1a: Find AB .
- 12N.1.sl.TZ0.1b: Given that X−2A=B, find X.
- 12N.1.sl.TZ0.2b: Find E(X) .
- 12M.1.sl.TZ2.4a: Find the value of r .
- 12M.1.sl.TZ2.4b: Given that E(X)=1.4 , find the value of p and of q .
- 08M.2.sl.TZ2.4b: Find the expected value of X.
- 10M.1.sl.TZ2.9a(i) and (ii): Find (i) P(E∩F) ; (ii) P(F) .
- 10M.1.sl.TZ2.9b(i) and (ii): Find the probability that (i) José misses his bus and is not late for school; (ii) José...
- 10M.1.sl.TZ2.9c: The cost for each day that José catches the bus is 3 euros. José goes to school on Monday and...
- 10M.1.sl.TZ2.9d: The cost for each day that José catches the bus is 3 euros. José goes to school on Monday and...
- 09M.2.sl.TZ1.8e: Find E(X) .
- 09M.1.sl.TZ2.9c: Find the expected value of S.
- 10N.2.sl.TZ0.9b(i) and (ii): (i) Show that 4a+2b=0.24 . (ii) Given that E(Y)=1 , find a and b .
- 10N.2.sl.TZ0.9c: Find which student is more likely to pass the test.
- 10N.2.sl.TZ0.9a(i) and (ii): (i) Find E(X ) . (ii) Find the probability that Mark passes the test.
- SPNone.1.sl.TZ0.9b: Elena plays a game where she tosses two dice. If the sum is 6, she wins 3 points. If the sum is...
- 11N.1.sl.TZ0.5: The random variable X has the following probability distribution. Given that...
- 11M.1.sl.TZ1.4a: Write down P(X=2) .
- 11M.1.sl.TZ1.4b: Show that k=3 .
- 11M.1.sl.TZ1.4c: Find E(X) .
- 13M.1.sl.TZ1.9b: Find the expected number of green marbles drawn from the jar.
- 08M.1.sl.TZ1.10d: (i) Construct a probability distribution table for X. (ii) Calculate the expected value...
- 15M.1.sl.TZ1.1b: Find E(X).
- 14N.1.sl.TZ0.3b: The contestant scores points as shown in the following table. Given that the game is fair,...
- 15N.2.sl.TZ0.2b: Find E(X).