In how many different ways is it possible to rearrange the order of the letters, XYZ? Select ALL the answers that are correct: (Click here to view the Video Answer)

In how many different ways is it possible to write down, in order, just two of the letters from the five letters VWXYZ? Select ALL the answers that are correct: (Click here to view the Video Answer)

In how many different ways is it possible to select (in any order) five different letters from the alphabet of 26 letters? Select ALL the answers that are correct: (Click here to view the Video Answer)

If, in a packet of 5 seeds, the probability of germination of each seed is 0.6, select ALL of the following that are correct: (Click here to view the Video Answer)

In a packet of n seeds, the probability of germination of each seed is p. Select the ONE expression that calculates the probability, p(r), that exactly r seeds will germinate.