What is the probability that a number selected from the numbers 1 to 15 would be:
a) A multiple of 4
b) A 1 digit number
c) An odd number
d) A number not greater than 6
e) A number which is not less than 8
Answers
Answer:
(a) A multiple of 4 - 3/15 = 1/5
(b) A 1 digit number - 5/15 = 1/3
(c) An odd number - 8/15
(d) A number not greater than 6 - 5/15 = 1/3
(e) A number which is not less than 8 - 7/15
Step-by-step explanation:
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Answer:
a) A multiple of 4 - ⅕
b) A 1 digit number - ⅗
c) An odd number - ⁸/₁₅
d) A number not greater than 6 - ⅓
e) A number which is not less than 8 - ⁷/₁₅
Step-by-step explanation:
a) From numbers 1 - 15 the multiples of 4 are -- 4, 8, 12
So,
Count Of Number Which Are Multiple Of 4
Total Number Given
= 3/15 = 1/5
b) From numbers 1 - 15 all 1 digit numbers are -- 1, 2, 3, 4, 5, 6, 7, 8, 9
So,
Count Of Number Which Are 1 Digit
Total Number Given
= 9/15 = 3/5
c) From numbers 1 - 15 all odd numbers are -- 1, 3, 5, 7, 9, 11, 13, 15
So,
Count Of Odd Numbers
Total Number Given
= 8/15
d) From numbers 1 - 15 all numbers which aren't greater than 6 are -- 1, 2, 3, 4, 5
So,
Count Of Number Which Aren't Greater Than 6
Total Number Given
= 5/15 = 1/3
e) From numbers 1 - 15 all numbers which aren't less than 8 are -- 9, 10, 11, 12, 13, 14, 15
So,
Count Of Number Which Aren't Less Than 8
Total Number Given
= 7/15