Question

The no of family members in 20 families were recorded below
3,5,5,4,2,6,3,2,2 4,3,4,6,6,2,3,3,5,4,2
Find the percentage the probability that a random chosen family has
1)4 members
2)more than 3 members ​

Answer 1

Answer:

4/5

Step-by-step explanation:

6/5 probability is the answer

Answer 2

Probability

The number of members in 20 families is given.

From the data given , it can be found out that,

Number of families having 2 members $=5$

Number of families having 3 members $=5$

Number of families having 4 members $=4$

Number of families having 5 members $=3$

Number of families having 6 members $=3$

Probability that the random chosen family has 4 members $=\frac{4}{20}=\frac{1}{5}$

1) So, percentage of family having 4 members $=\frac{1}{5}\times 100=20\%$

Probability that the random chosen family has more than 3 members $=\frac{(4+3+3)}{20}=\frac{10}{20}=\frac{1}{2}$

2) So, percentage of family having more than 3  members $=\frac{1}{2}\times 100=50\%$