मराठी
महाराष्ट्र राज्य शिक्षण मंडळएचएससी वाणिज्य (इंग्रजी माध्यम) इयत्ता १२ वी

If E(x) > Var(x) then X follows _______. - Mathematics and Statistics

Advertisements
Advertisements

प्रश्न

If E(x) > Var(x) then X follows _______.

पर्याय

  • Binomial distribution

  • Poisson distribution

  • Normal distribution

  • None of the above

MCQ
रिकाम्या जागा भरा

उत्तर

If E(x) > Var(x) then X follows binomial distribution.

shaalaa.com
Binomial Distribution
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 8: Probability Distributions - Miscellaneous Exercise 8 [पृष्ठ १५४]

APPEARS IN

बालभारती Mathematics and Statistics 2 (Commerce) [English] 12 Standard HSC Maharashtra State Board
पाठ 8 Probability Distributions
Miscellaneous Exercise 8 | Q 1.1 | पृष्ठ १५४

संबंधित प्रश्‍न

The probability that a certain kind of component will survive a check test is 0.6. Find the probability that exactly two of the next four components tested will survive.


Five cards are drawn successively with replacement from a well-shuffled deck of 52 cards, find the probability that only 3 cards are spades


In a box of floppy discs, it is known that 95% will work. A sample of three of the discs is selected at random. Find the probability that exactly one floppy disc work.


Choose the correct option from the given alternatives:

For a binomial distribution, n = 4. If 2P(X = 3) = 3P(X = 2), then p = ______


Choose the correct option from the given alternatives:

The probability of a shooter hitting a target is `3/4` How many minimum numbers of times must he fire so that the probability of hitting the target at least once is more than 0·99?


Let X ~ B(10, 0.2). Find P(X ≥ 1).


The probability that a bomb will hit a target is 0.8. Find the probability that out of 10 bombs dropped, exactly 2 will miss the target.


The probability that a lamp in a classroom will be burnt out is 0.3. Six such lamps are fitted in the class-room. If it is known that the classroom is unusable if the number of lamps burning in it is less than four, find the probability that the classroom cannot be used on a random occasion.


A large chain retailer purchases a certain kind of electronic device from a manufacturer. The manufacturer indicates that the defective rate of the device is 3%. The inspector of the retailer picks 20 items from a shipment. What is the probability that the store will receive at most one defective item?


The probability that a machine will produce all bolts in a production run within specification is 0.998. A sample of 8 machines is taken at random. Calculate the probability that 7 or 8 machines.


A computer installation has 10 terminals. Independently, the probability that any one terminal will require attention during a week is 0.1. Find the probabilities that 0.


It is observed that it rains on 12 days out of 30 days. Find the probability that it rains exactly 3 days of week.


It is observed that it rains on 12 days out of 30 days. Find the probability that it it will rain at least 2 days of given week.


If the probability of success in a single trial is 0.01. How many trials are required in order to have a probability greater than 0.5 of getting at least one success?


In binomial distribution with five Bernoulli’s trials, the probability of one and two success are 0.4096 and 0.2048 respectively. Find the probability of success.


Fill in the blank :

In Binomial distribution probability of success Remains constant / independent from trial to trial.


In a Binomial distribution with n = 4, if 2P(X = 3) = 3P(X = 2), then value of p is ______.


State whether the following statement is True or False:

For the Binomial distribution, Mean E(X) = m and Variance = Var(X) = m


If the sum of the mean and the variance of a binomial distribution for 5 trials Is 1.8, then p = ______.


If X follows a binomial distribution with parameters n = 10 and p. If 4P(X = 6) = P(X = 4), then p = ______ 


In a binomial distribution `B(n, p = 1/4)`, if the probability of at least one success is greater than or equal to `9/10`, then n is greater than ______.


If X∼B (n, p) with n = 10, p = 0.4 then E(X2) = ______.


In a binomial distribution, n = 4 and 2P(X = 3) = 3P(X = 2), then q = ______.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×