A card is chosen from a deck of cards, recorded, and then replaced. this is done 75 times and red card from 5 to 9 is chosen 21 times. a) what is the theoretical probability of a red card between 5 and 9 being chosen? b) how many times would you expect this event to happen in 75 trials? c) compare your answers to part a) and b)
Stacey Warren - Expert brainly.com
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so this is similar to the last one. you want to know how many possibilities there are that a given event happens (in this case red 5-9), and how many possibilities there are total.
The first things you need to determine are:
1. how many red cards are there between 5 and 9?
2. how many total cards are in the deck?
well how many red cards are there in a deck .. is it 26
right, so there are 5,6,7,8,9 of diamonds and hearts