Fifteen coupons are numbered $1$ to $15$. Seven coupons are selected at random one at a time with replacement. The probability that the largest number appearing on a selected coupon is $9$ is:
  • A$\big(\frac{3}{7}\big)^7$
  • B$\big(\frac{1}{15}\big)^7$
  • C$\big(\frac{8}{15}\big)^7$
  • D
    None of these
art

Download our app
and get started for free

Experience the future of education. Simply download our apps or reach out to us for more information. Let's shape the future of learning together!No signup needed.*

Similar Questions

  • 1
    The probability that in a year of $22^{nd}$ century chosen at random, there will be $53$ Sunday, is
    View Solution
  • 2
    Choose the correct answer from the given four options. A box contains 3 orange balls, 3 green balls and 2 blue balls. Three balls are drawn at random from the box without replacement. The probability of drawing 2 green balls and one blue ball is:
    View Solution
  • 3
    For a binomial variate $X,$ if $\text{n}=3$ and $\text{P(X}=1)=8\text{ P(X = 3}),$ then $p =$
    View Solution
  • 4
    A letter is known to have come either from $\text{LONDON}$ or $\text{CLIFTON};$ on the postmark only the two consecutive letters $ON$ are ellegible. The probability that it came from $\text{LONDON}$ is:
    View Solution
  • 5
    A fair coin is tossed 99 times. If X is the number of times head appears, then P(X = r) is maximum when r is:
    View Solution
  • 6
    The probabilities of a student getting I, II and III division in an examination are $\frac{1}{10},\frac{3}{5}$ and $\frac{1}{4}$ respectively. The probability that the student fails in the examination is.
    View Solution
  • 7
    A box contains 6 nails and 10 nuts. Half of the nails and half of the nuts are rusted. If one iten is chosen ar random, the probability that it is rusted or is nail is
    View Solution
  • 8
    If A and B are two independent events such that P(A) = 0.3 and $\text{P}(\text{A}\cup\text{B})=0.5,$ then P(A|B) - P(B|A) =
    View Solution
  • 9
    Choose the correct answer in each of the following:
    If P(A|B) > P(A), then which of the following is correct :
    View Solution
  • 10
    If A and B are two events such that $\text{A}\subset\text{B}$ and $\text{P}(\text{B})\neq0,$ then which of the following is correct?
    View Solution