A dice was rolled 3 times. What is the probability of getting 5 at least once?
n = 3 p (success) = 1/6 q (failure) = 5/6 P (getting 5 at least once ) = 1 – P ( not getting 5) P (not getting 5 ) = 5/6 * 5/6 * 5/6 = 125 / 216 (3C0 p0 q3-0) P (getting 5 at least once ) = 1 – 125 / 216 = 91 / 216
If total number of fruits sold by shopkeeper D is 20 more than that of total number of bananas sold by shopkeeper A and B together. If total number of m...
What is the difference between number of boys who attended seminar on topic B and number of girls who attended seminar on topic C?
11, 13, 30, 96, 392, ?
If another new department ‘R&D’ was formed and 40% of the employees from IT and Marketing departments each were moved to the new department, then fi...
The number of males working in the IT department forms what per cent of the total number of males in the organization?
The number of boys in school C is approximately how much percent more than the number of teachers in school B?
Find the ratio of number of surgical mask to the number of N95 masks sold on Tuesday.
The ratio of number of bananas to number of mangoes sold by shopkeeper C is 7:8. Find the difference between the numbers of bananas sold and number of m...
What is average number of female doctors of hospital A, B and C together?
