Q. No.2: In a shooting competition, Mr X can shoot at the bulls eye 4 times out of 5 shots and Mr Y, 5 times out of six and Mr Z, 3 times out of 4 shots. Find the probability that the target will be hit at least twice?

Q: A math professor finds that when she schedules an office hour for student help, an average of 2.3…

A: Step 1:The probability mass function of the poisson distribution is given by…

Q: In a statistics class of 42 students, there were 11 men and 31 women. Six of the men and seven of…

A:

Q: A marker is to continue shooting at the target until he hits the target 6 times. The probability…

A:

Q: A group of students consists of 5 females and 10 males. If 8 students are to be selected at random…

A: We have to use classical probability definition to find the probability.

Q: The probability that a student pilot passes the written test for a private pilot's license is 0.55.…

A: Probability distributions are of two types, discrete and continuous distributions. Binomial…

Q: Find the probability that a 6 appears at least twice when 12 dice are rolled.

A: In question, 12 dice are rolled. Then we'll find the probability that 6 appears at least twice. The…

Q: The probability of event A happening is 3/5 and the probability of event B happening is 2/3. What is…

A: Given:             Probability of occurrence of event A is 35.            Probability of occurrence…

Q: A number of customers arrive at a cafeteria during lunch hour at an average rate of 0.025 per…

A: Reviewing information, X: Average rate of arrival of customers= 0.025 per second

Q: A radioactive source emits particles at an average rate of one every 12   seconds. Find the…

A: Given problem Given that   A radioactive source emits particles at an average rate of one every 12…

Q: Chase buys a bag of cookies that contains 9 chocolate chip cookies, 7 peanut butter cookies, 4 sugar…

A: Here are 9 chocolate chip cookies, 7 peanut butter cookies, 4 sugar butter cookies and 9 oatmeal…

Q: The probability of a man hitting a target is 4. How many times must he fire so that the probability…

A:

Q: The probability that a student passes Math is 2/3, and the probability that he passes English is…

A: Let M=a student passes MathE=a student passes EnglishP(M)=23P(E)=49P(M∪E)=45

Q: into the switchboard of a company is 2.5. Find the probability that during one particular minute…

A: here given, average number of phone calls per minute coming into the switchboard of company is 2.5 λ…

Q: Let A and B be two events such that P(AC) = 0.70, P(B) = 0.50, and P(A U B) = 0.60. What is P(An B)?

A:

Q: 4 percent of a certain company's life insurance policy holders are smokers. For each nonsmoker the…

A: From the provided information, Probability of smoker P (S) = 0.04 Probability of non smoker P (S') =…

Q: Find the probability that when a gardener plants 20 seeds, she harvests 16 radishes given the…

A:

Q: A factory produces a particular electrical component. On average, the probability that a component…

A: The objective of this question is to find the probability of having at least one faulty component in…

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.