2 The probability of failure in Physics practical examination is 20%. If 25 batches of 6 students cach take the examination in how many batches 4 or more students would pass ?

Q: he probability of selecting a bad egg is 0.035 from the lot of 400 eggs. So, what is the number of…

A: Given data, n=400 eggs  probability of selecting a bad egg is p= 0.035 Therefore  probability of…

Q: 3. Find the probability of selecting either a non-smoker or a woman when you select a person at…

A:

Q: When tossing a dice and a coin together, the probability of getting 1 and a picture together is…

A: Given problem Given that   When tossing a dice and a coin together. The probability of getting 1…

Q: The price of a computer required in a student lab of our university is not fixed. With the…

A: We have the following information: One computer costs(Euro)  probabilities 500 0.2 550 0.6…

Q: The probability of getting exactly 1 girl in 8 births

A: Let the random variable x is number of girls. The probability of getting a girl and boy are equal.…

Q: A fair coin is tossed 13 times. What is the probability of tossing 13 heads, given that the first 12…

A: Given: The probability of throwing 13 heads given that first 12 tosses are heads is denoted by…

Q: when a coin is tossed 100 times, the probability of obtaining at most 49 heads is .4602 and the…

A:

Q: The proportion of eligible voters in the next election who will vote for the incumbent is assumed to…

A: Given: The probability of eligible voters in the next election who will vote for the incumbent is…

Q: calculate the probability of exactly 3 successes in 4 tries. p= 0.2

A: Given:n = 4, r= 3, p = 0.2Consider that the random variable X follows a binomial distribution with…

Q: In a factory that produces pieces of ready-made concrete, if the ratio of production of defective…

A:

Q: d. Based upon a smaller sample of only 150 St. Paulites, what is the probability that the sample…

A: Given Information: Population proportion of St. Paulites who drink bottled water more than once a…

Q: Calculate the probability of 3 heads in 5 tosses of a coin, where r is the number of heads…

A:

Q: If the computed z score is -2.33, determine the probability.

A: Explanation:Here given the z score  I find out the probability for computed z-score in step2

Q: The probability of rain tomorrow in Gander is 40%. What are the odds of rain tomorrow?

A: Given data: The probability of rain tomorrow in Gander is 40%.  i.e ; p = 0.40 To find : What are…

Q: b) A 200 Km stretch of trunk road through a forest was surveyed to assess the incidence of death of…

A: Poisson Distribution: A discrete random variable X is said to follow Poisson distribution with…

Q: 3 coins are tossed together, the probability of getting 3 heads is 3 (G) 13 4.

A: probability of getting head = 1/2 Probability of getting tail= 1/2

Q: (b) If n biscuits be distributed among N persons, find the chance that a particular person receives…

A:

Q: An experiment consists of randomly drawing one marble from a bag containing 7 purple, 4 blue, and 3…

A: Given: The bag contains: 7 purple marbles. 4 blue marbles. 3 green marbles.

Q: Use R to simulate the probability of getting at least one 8 in the sum of two dice rolls. -The…

A: *Answer:

Q: The probability of success in the C.A. examination is 20%. If 20 batches of 5 students each take the…

A:

Q: out of 80 births in a local hospital estimate the probability of girls born is between 32 girls and…

A: Continuity correction factor table: If   P(X=n) use   P(n – 0.5 < X < n + 0.5)If   P(X > n)…

Q: What is the process for solving the following question?   Suppose 57% of the students at UNCG are…

A: Binomial distribution: The binomial distribution gives the probability of number of successes out of…

Q: If 200 Honda Accords are randomly selected, approximately how many of them will have the braking…

A: Given data,μ=45σ=0.5

Q: You flip a biased coin ((head =0.8)) five times. What’s the probability of getting four or more…

A: Given, P(Head) = 0.8 for a biased coin n = 5

Q: 3. A manufacturer says the probability of their product being defective is 19%. If your company buys…

A: From the given information we find the solution.

Q: Suppose the probability of success is p=31%. What is the probability of 7 successes in 8 trials?

A: Let x follows binomial distribution with parameters n = 8 and p = 0.31   The pdf of binomial…

Q: 8. Find the probability of getting a total score of 15 points in a throw of three identical dice.

A: To find the probability of getting a total score of 15 points in a throw of three identical dice.

Q: 3 coins are tossed together, the probability of getting 3 heads is

A:

Q: Find the probability of getting three or more cars that fail among six cars tested

A: Solution: To find: The probability of getting three or more cars that fail among six cars tested.?

Q: The Wilson family had 6 children. Assuming that the probability of a child being a girl is 0.5, find…

A: Let n be the number of children's in a family = 6 Let p be the probability of a child being a girl =…

Q: The probability of getting at least 2 heads when a coin is tossed four times is?

A: Obtain the probability of getting at least 2 heads when a coin is tossed four times. The probability…

Q: a) What is the probability of selecting students whose IQ ranges between 110 and 127? b) If you will…

A: The IQs of 100 students are normally distributed with a mean of 115 and a standard. deviation of 10.…

Q: What is the probability of getting 6 or more girls in 8 births

A:

Q: The probability of drawing a peppermint candy out of a jar of 25 candies is 1/5.How many more…

A: Given : The probability of drawing a peppermint candy out of a jar of 25 candies is 1/5

Q: getting 50 heads when flipping a fair coin 100 times

A: This problem is to find the probability distribution we can use the binomial distribution,  Normally…

Q: Find the probability of getting at least 60 heads, when 100 fair coins are tossed.

A:

Q: If The probability of rain falling on any day in November is 20% find the probability of: A: Rain…

A: AS per Bartleby guidelines, we are allowed to answer three sub-parts   Given : Number of Days in…

Q: Suppose that you fip a coin 13 times. What is the probability that you achieve at least 7 taits?

A: Binomial Distribution: It is used to obtain the probability of successes in some n number of…

Q: An unbalanced coin is weighted so that the probability of heads is 0.55. The coin is tossedten…

A: Probability quantifies the chances of happening an event. The probability values always lie in the…

Q: The average number of field mice per acre in a 5-acre wheat field is estimated to be 6. Find the…

A: Given : The average number of field mice per acre in a 5-acre wheat field is estimated to be 6.…

Q: The probability of passing the bar exam in a certain state is 2/3. If 10 people passed the test at a…

A: It is given that probability of passing the bar exam in a certain state is 2/3. Therefore, the…

Q: . What is the probability of getting the first “three” in the 6th roll?  ii. How many times would…

A: here use geometric distribution

Q: n the winter, guests who visit Yosemite National Park like to stay at an overnight lodge in the park…

A: Let the random variable X denote the no. of guests who visit Yosemite National Park like to stay at…

Q: d) A telemarketer will give an average of 4 calls in an hour. Find the probability that he will give…

A: Given that  1 hour  = 60 minutes  1.5 hours = 90 minutes Average calls in an hour=4 Average calls in…

Q: Out of 320 families with 5 children each, what percentage would be expected to have () 2 boys and 3…

A: Here Given  Total Number of family=N=320 Now Probability of Boys=Probability of girl=0.5 Number of…

Q: Out of 320 families with 5 children -each, what percentage would be expected to 11ave (i) 2 boys and…

A: Given ,N=320and 320 families have 5 children each .  P(having a boy)=12P(having a girl)=12

Q: (a) What is the probability that a randomly chosen tire will cover a distance of 500km without a…

A:

Q: Find the probability of getting 6 and 5 respectively in two throws of a die.

A: