Math Is Fun Forum

  Discussion about math, puzzles, games and fun.   Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫ • π ƒ -¹ ² ³ °

You are not logged in.

#1 2018-03-13 19:56:07

MellyBigD
Member
Registered: 2018-03-13
Posts: 10

Probability Statistics: Please help!

Hi Guys

Please help em with this exercise:

Question 2 [10 Marks]

The probability that a flight departs on time in 0.83 and the probability that it arrives on time is 0.92.  The probability that the flight arrived on time given that it departed on time is 0.94 (rounded off to two decimals).

2.1) What is the probability that the flight did not arrive on time?                                           [1]








2.2) What is the probability that the flight arrived and departed on time?                             [3]



















2.3) What is the probability that the flight departed on time given that it has arrived on time?        [3]
















2.4) What is the probability that the flight either arrived or departed on time?                    [3]

Offline

Board footer

Powered by FluxBB