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2018 RVHS P2 Q7 At a supermart, the option of using cashless payment for purchases is available to customers. On average, $p%$ of the customers use cashless payment. The manager
2017 VJC P2 Q10 It is a common practice for airlines to sell more plane tickets than the number of seats available. This is to maximise their profits as it
2009 AJC P2 Q10 Customers at a supermarket pay for their purchases either by cash or credit card. The probability of a randomly chosen customer paying by credit card is
2016 HCI P2 Q6 The random variable $X$ has a binomial distribution $text{B}left( n,p right)$, where $0<p<1$, and $n$ is an integer. Show that $frac{text{P}left( X=r right)}{text{P}left( X=r-1 right)}=left( frac{n-r+1}{r}
2018 VJC P2 Q8 The probability of obtaining a ‘$6$’ on a biased cubical dice is thrice the probability of rolling every other number on the dice.Show that the probability
2006 AJC P2 [Modified] During an online mathematics test, multiple-choice questions are randomly selected from a large item bank. The probability that a selected question is on algebra is $frac{4}{5}$
2018 VJC J2 MYE P1 Q10 A board of directors consists $n$ men and $left( 10-n right)$ women, where $3le nle 7$. A committee consisting $3$ randomly chosen people is
2018 SRJC P2 Q7 A player throws an unbiased six-sided die and the number shown on the top face is noted. If it is not a six, the score is
2011 SRJC P2 Q6 Two cards are to be drawn at random without replacement from a pack of nine cards numbered $3$, $3$, $3$, $4$, $4$, $4$, $4$, $5$, $5$.
2018 TMJC P2 Q5 An unbiased die has three faces painted red, two faces painted green and one face painted blue. A red face has a score of $1$ point,