A survey shows that 28% of all the men in a village wear ...
A survey shows that 28% of all the men in a village wear size 9 shoes. What is the probability that a man selected at random in the village wears size 9 shoes?
\(\frac{7}{25}\)
\(\frac{41}{50}\)
\(\frac{1}{2}\)
1
Correct answer is A
P(man picked at random wears size 9 shoes) = \(\frac{28}{100}\)
= \(\frac{7}{25}\)
Calculate the variance of 2, 3, 3, 4, 5, 5, 5, 7, 7 and 9 ...
Find x if (x\(_4\))\(^2\) = 100100\(_2\)...
What is the probability of having an even number in a single toss of a fair die? ...
Find the value of x if \( [ 1 ÷ 64^{(x + 2)}]= [4^{(x − 3)} ÷ 16^x ] \)...
The perimeter of an isosceles right-angled triangle is 2 meters. Find the length of its longer ...