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Makayla shows her friend Nicole a deck of cards. Assuming the cards in the deck are randomly distributed, what is the probability that Makayla draws an ace and does not replace it,...

Probabilities

A packet contains a large number of flower seeds which look identical, but produce flowers of one of three colours, blue, pink or white. 1/4 of the seeds for use blue flowers and 2/3 produce...

A factory produces balloons of different colours, being the proportion of red balloons 20%. A customer ordered 250 balloons asking for at least 25% of red balloons. Which is the probability that the...

Approximately 3% of the eggs in a store are cracked. If you buy two dozen eggs, what is the probability that no more than two of your eggs are cracked?

In  a  study  of bumblebee  bats,  one  of  the  world’s  smallest  mammals,  the weights were normally distributed, with a mean of 2.0 grams...

A batch of 350 raffle tickets contains four winning tickets. You buy four tickets. What is the probability that you have (a) no winning tickets? (b) all of the winning tickets? (c) two winning tickets...