In a large shipment of automobiles tires, 10% of the tires have a certain flaw. Assume ten (10) tires are chosen at random to be installed on a car. Q2 (a) (i) Find the mean and standard deviation of the flaw. (ii) What is the probability at least three tires have flaw?

Q: 1.) In a binomial experiment, the probability of success in each trial is 0.45, and 30 trials are…

A: We have given that  Number of trials n=30 Success of probability p =0.45 q=1-p X~binomial ( n,p)

Q: A large population has a mean of 60 and a standard deviation of 8. A sample of 50 observations is…

A: GivenMean(μ)=60standard deviation(σ)=8sample size(n)=50

Q: For a certain type of computers, the length of time between charges of the battery is normally…

A: Answer The mean =50Standard deviation =15

Q: mean thickness of 4 mm and a standard deviation of 1.1 mm. A simple random sample of 90 sheets of…

A: Given: Mean=μ=4Standard deviation=σ=1.1Sample size=n=90Sample mean=x¯=4.1 First, we have to obtain…

Q: Scenario: A researcher believes that food servers in her city who are women earn less than food…

A: Claim: A researcher believes that food servers in her city who are women earn less than food servers…

Q: If Z is a random variable with a mean of 100 and a standard deviation of 20, what is the probability…

A: Introduction: A random variable Z with mean 100 and standard deviation 20 follows a normal…

Q: A detergent company finds that a family in the country washes an average of 910 kilograms of clothes…

A: We have given that,  Let X be the random variable from normal distribution with mean (x̄) = 910 and…

Q: A pair of dice are rolled. Let X be a random variable that denotes the sum of the number of dots…

A: Here Given  Pair of dice are rolled  So Total Possible number of Outcome=6×6=36

Q: The net weight of a can of salmon is a random variable with a mean of 6.21 ounces and a standard…

A: Solution

Q: (i) Find the probability that he makes his 10th point on his twelfth free throw. (ii) Find the mean,…

A: Here given ,  Suppose during practice, a basketball player can make a free throw 80% of the time.…

Q: he manufacturer of cans of salmon that are supposed to have a net weight of 6 ounces tells you that…

A:

Q: A new species of rabbit has an average body length of 45mm with a standard deviation of 3mm. In a…

A: Given that the new species of the rabbit has an average body of 45mm, which means the mean is 45mm…

Q: James and Harry play baseball and each of them can score one goal with the probabilities of 0.4 and…

A:

Q: A coin is tossed 3 times. Suppose that the random variable X is defined as the number of tails. Find…

A: We tosse a coin 3 times so  n=3 Probability of getting tail at a time = 1/2 At n= 3, P(tail) =…

Q: sample of 31 years of rainfall for California and a sample of 49 years of rainfall for New York has…

A: Given information for State of California: Mean, μ=22. Standard deviation, σ=4. Sample size, n=31.…

Q: A statistics class of 40 students took a quiz. The highest possible score was 4 points. 10 students…

A: Given that there are 40 students took a quiz. 10 students scored 4 points, 12 students scored 3…

Q: A speed camera on Peterson Road records the speed of each passing vehicle. The speeds are pund to be…

A:

Q: be the random variable representing the mean time to complete the  10  reviews. Assume that the  10…

A:

Q: Suppose the scores, x, on a college entrance examination are normally distributed with a mean of…

A: Solution: Let X be the score on a college entrance examination. From the given information, X…

Q: You decided to plant roses. The probability that a planted roses seed germinates is 0.80. You plant…

A: Consider X be a random variable which follows binomial distribution indicates the number of roses…

Q: The probability that a randomly chosen student in a statistics class submits his/her homework on…

A: Given: The probability that a randomly chosen student in a statistics class submits his/her homework…

Q: Suppose you did an experiment with 3 groups and 16 subjects per group. The sample variances in the…

A:

Q: Suppose X is a normally distributed random variable with a mean of 9.00. If the probability that X…

A:

Q: . Lori just bought a set of 4 tires for her car. The life of a tire is normally distributed with a…

A: The mean of the distribution,  milesThe standard deviation of the distribution,  miles

Q: A particular fruit's weights are normally distributed, with a mean of 257 grams and a standard…

A:

Q: A city temperature is modeled as a normal random variable with mean and standard deviation both…

A: given data,  Mean (μ) = 10  S.D(σ) =10Let X be normally distributed random variable P(X≤15) = ?

Q: A simple random sample of 64 observations was taken from a large population. The population standard…

A: From the given information, total number of observations n = 64. Population standard deviation…