Choose the correct answer from the given four options.Three persons, A, B and C, fire at a target in turn, starting with A. Their probability
of hitting the target are 0.4, 0.3 and 0.2 respectively. The probability of two hits
is:
  • A
    0.024
  • B
    0.188
  • C
    0.336
  • D
    0.452
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
    Choose the correct answer from the given four options.
    $\text{X}$ $1$ $2$ $3$ $4$
    $\text{P}(\text{X})$ $\frac{1}{10}$ $\frac{1}{5}$ $\frac{3}{10}$ $\frac{2}{5}$
    For the following probability distribution $E(X^2)$ is equal to:
    View Solution
  • 2
    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
  • 3
    The probability of obtaining an even prime number on each die, when a pair of dice is rolled is
    View Solution
  • 4
    In a class, 40% of the students study math and science. 60% of the students study math. What is the probability of a student studying science given he/she is already studying math?
    View Solution
  • 5
    A coin is tossed three times. If events A and B are defined as A = Two heads come, B = Last should be head, Then, A and B are
    View Solution
  • 6
    A bag $A$ contains $4$ green and $6$ red balls. Another bag $B$ contains $3$ green and $4$ red balls. If one ball is drawn from each bag, find the probability that both are green:
    View Solution
  • 7
    If two events are independent, then.
    View Solution
  • 8
    If $\text{P(A)}=\frac{7}{13},\text{P(B)}=\frac{9}{13}$ and $\text{P}(\text{A}\cap\text{B})=\frac{4}{13}.$ then, $\text{P}(\overline{\text{A}}|\text{B})=$
    View Solution
  • 9
    A coin is tossed n times. The probability of geting at least once is greater than 0.8. Then, the least value of n, is:
    View Solution
  • 10
    If X follows a binomial distribution with parameter $\text{n}=8$ and $\text{p}=\frac{1}{2},$ then $\text{P(|X}-4|\leq2)$ equals:
    View Solution