Zoe made a scale drawing of a house and its lot. She used a scale of 1 inch : 3 feet. In real life, the backyard is 45 feet wide
2 answers:
You might be interested in
Answer:
Expected number of matches that occur = 4 matches
Step-by-step explanation:
First of all, let X_i be the event that when we turn over card i if it matches the required cards face.
Thus, for example X_1 is the event that turning over one card results in an ace while X_2 is the event that turning over second card reveals a deuce.
The number of matched cards "N" is given by the sum of this indicator random variable as shown in the attached file;
