Multiple Choice Question: The probability that a visitor at the mall buys a pack of candy is 30%. If three visitors come to the mall today, what is the probability that exactly two will buy a pack of candy?

The probability that a visitor at the mall buys a pack of candy is 30%. If three visitors come to the mall today, what is the probability that exactly two will buy a pack of candy?

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More Old MCQ

Orphaned Multiple Choice Questions (MCQ) due to changes of exam system.

The probability that a certain kind of component will survive a given shock test is ¾. Find the probability that exactly 2 of the next 4 components tested survive.
A car travels with an initial velocity of 10 m/s or 36 km/hr. If it is decelerating at a rate of 3 m/sec-sec, how far, in meters, does it travel before stopping?
In a prison camp, 100 soldiers have been given provisions good only for 10 days. If five soldiers die every day, except on the first day, in how many days will the provisions last?
A student in a chemistry laboratory wants to form a 32 milliliter mixture of two solutions to contain 30% acid.
A person buys a piece of property for P100,000 down payment and ten deferred semi-annual payments of P8,000 each starting three years from now.
X and Y are inversely proportional with each other. Given that X = 15,000 when Y = 162,500. Find X when Y = 328,400.
A circle 8 cm in radius is tangent to a line at A. Another circle 3 cm in radius is tangent also to the same line at B. Find the distance AB if the two circles are tangent externally to each other.
The Department of Health encourages elderly people to have a flu vaccination each year.
According to the theory of genetics a certain cross of guinea pigs will result in red, black and white offspring in the ratio 8:4:4. Find the probability that among 8 such offspring 5 will be red, 2 black and 1 white.
What is the integral of (3 cos^5 x) dx with limits from 0 to pi/2.
The length of a telephone conversation is 2.5 minutes on average. What is the probability that a conversation lasts between 3 and 5 minutes?
The two sides of a triangle are 25 cm and 26 cm, while the altitude to the third side is 24 cm. Find the area of the triangle.
Find the angle subtended by the line segment through (0, 0, 0) and (3, 8, 5) from the xy-plane.
A student received grades of 72, 75, and 78 on three tests. What must her score in the next test be for her to have an average grade of 80 for all four tests?
Simplify the radical shown: $\sqrt{a\sqrt{a\sqrt{a}}}$

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