A box contains \(3\) yellow marbles and \(5\) red marbles.
A marble is chosen at random from the box with replacement.
Find the probability that a yellow marble is chosen \(3\) times out of \(5\) times.
\(0.\,3060\)
\(0.\,4060\)
In a survey taken from a school, it was found that \(240\) students out of \(510\) students like durian.
Determine the mean of the distribution.
\(510\)
\(230\)
It was found that \(75\%\) of the cars on the road are national cars.
There are \(15, 000\) cars on the road on a certain day.
Determine the variance of the distribution.
\(3\,812.5\)
\(4\,812.5\)
In a class, \(55 \%\) of the students like to play tennis.
A sample of \(9\) students is chosen at random.
Find the probability that more than \(5\) students from the sample like to play tennis.
\(0.\,2614 \)
\(0.\,3614 \)
The probability that Aidil will win a speech contest is \(\dfrac{9}{10}\).
If he takes part in \(7\) speech contests, find the probability that he win exactly \(7\) times.
\(0.\,4783\)
\(0.\,5783\)
There is something wrong with this question.
