Jim runs an electronic store. Yesterday, he counted 250 people who walked by his

Question

Jim runs an electronic store. Yesterday, he counted 250 people who walked by his store, 75 of whom came into the store. Of the 75 who came into the store, only 25 bought something.
1. Find the probability that a person who walks by the store will enter the store 2. Find the probability that a person who walks into the store will buy something 3. Find the probability that a person will come in and buy something. 4. Find the probability that a person who comes into the store will buy nothing.
(All answers rounded to two decimal points) Jim runs an electronic store. Yesterday, he counted 250 people who walked by his store, 75 of whom came into the store. Of the 75 who came into the store, only 25 bought something.
1. Find the probability that a person who walks by the store will enter the store 2. Find the probability that a person who walks into the store will buy something 3. Find the probability that a person will come in and buy something. 4. Find the probability that a person who comes into the store will buy nothing.
(All answers rounded to two decimal points)
1. Find the probability that a person who walks by the store will enter the store 2. Find the probability that a person who walks into the store will buy something 3. Find the probability that a person will come in and buy something. 4. Find the probability that a person who comes into the store will buy nothing.
(All answers rounded to two decimal points) 1. Find the probability that a person who walks by the store will enter the store 2. Find the probability that a person who walks into the store will buy something 3. Find the probability that a person will come in and buy something. 4. Find the probability that a person who comes into the store will buy nothing.
(All answers rounded to two decimal points)

Explanation / Answer

from given data:

1) probability that a person who walks by the store will enter the store =75/250=0.30

2)

probability that a person who walks into the store will buy something =25/75=1/3=0.33

3)

probability that a person will come in and buy something =25/250=0.10

4) probability that a person who comes into the store will buy nothing =1-P(buys someting given enters in)

=1-25/75=50/75=2/3=0.67

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