Question

the amount collected by 15 students for flood relief fund is given below. answer the following questions :
1. how many students collected less than Rs 20?

2. find the mean amount collected by a student.

3. find the probability of students collecting the highest amount.

4. find the total amount collected.

Answer 1

Answer:

Less Than 20 = 3

mean Amount = 63 Rs

probability of students = 33%

total Amount Collected = 315

Answer 2

1. No. of students who collected less than Rs.20

• As per the given data, 7 students collected less than Rs.20.
• That is 3 students collected 0-10, whereas 4 students collected 10-20.

2. Mean amount collected by the student

• Mean is calculated as 21. Kindly refer to the attachment.

3. The probability of students collecting the highest amount.

Probability = $\frac{Number of student collecting highest amount}{Total number of students}$

Probability = $\frac{1}{15}$

4. Total amount collected

• The total amount collected by all the 15 students is Rs.315. Refer to the attachment.

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