Math, asked by bhavyasriv, 9 months ago

probability
Find the probability of:
a) Marks between 74%and 85%
b) Less than 74%.
unit 1 2 3 4 5
% of marks 58 74 76 62 85

Answers

Answered by vandanaisha
0

Answer:

a. 75/100 and 85/100

10/100

1/100

Answered by amitnrw
0

Given  :   %  marks in Different test unit 1 2 3 4 5  , % of marks 58 74 76 62 85

To find :  probability of: a) Marks between 74%and 85% , b) Less than 74%.

Solution:

unit     % of marks

1                58

2               74

3               76

4                62

5                85

Total Test  = 5

Marks between 74 % & 85 %   are   76 only  ( if both not included )

probability of: a) Marks between 74%and 85% (74 , 85 excluded)  = 1/5

Marks between 74 % & 85 %   are  74,  76 * 85    ( if both   included )

probability of: a) Marks between 74%and 85% ( 74 , 85 included)  = 3/5

Less than 74%.  are 58 & 62

probability of:  b) Less than 74%.   = 2/5

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