If X~B(6, 0.8); that is, if the random variable X has a binomial distribution with n = 6 and p = 0.8, find P(4).  Round your answer to 3 decimal places.

Q: Approximate the mean of the random variable X based on the simulation for 25 games. hits

A: The sample size is 25.

Q: The number of patients who are received per hour in the emergency room of a hospital is a random…

A:

Q: At a large publishing company, the mean age of proofreaders is 36.2 years, and the standard…

A: Given Data, μ = 36.2σ = 3.7

Q: The mean height of 15-year-old boys (in cm) is 175 and the variance is 64. For girls, the mean is…

A: 1] μ1=1752] μ1=1653] σ12=644] σ22=645] n1=86]  n2=8

Q: The number of attempts at shooting goals made by a netballer in a tournament can be modelled by a…

A: Giveni)p=0.35n=12Let "x"be number of successful shootsx~Binomial(n=12,p=0.35)P(X=x)=(nx)px(1-p)n-x…

Q: The

A: It is given that the sample size is n=50. The probability that a workforce belongs to a union is…

Q: A survey conducted for the Northwestern National Life Insurance Company revealed that 70% of…

A: It is given that n = 20 and p = 0.70.

Q: On a highway, the Average Waiting time for a cop for stopping a car is 10 min. The waiting time T is…

A: The waiting time is independently distributed exponential random variable with mean waiting time 10…

Q: The actual weight of a bag of flour is modeled as a normal random variable with a mean of 0.25…

A: Given,   Mean = 0.25 Standard deviation = 0.02

Q: A fabric manufacturer believes that the proportion of orders for raw material arriving late is p =…

A: Given: The proportion of orders for raw material arriving late is p=0.6. The number of sample orders…

Q: The hospital had 3000 deliveries each year, so if these happened randomly around the clock 1000…

A: In question, Given The hospital had 3000 deliveries each year, so if these happened randomly around…

Q: The mean height of 15-year-old boys (in cm) is 175 and the variance is 64. For girls, the mean is…

A: Given, Mean height of boys is 175 and variance is 64 Mean height of girls is 165 and variance is 64…

Q: If the random variable X follows a Poisson distribution with a mean 3.4, find P(X = 6). Express your…

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Q: Suppose a radioactive source is metered for 3 hours, during which time the total number of alpha…

A: The probability exactly four particles will be counted in the next 2 minutes by defining X to be the…

Q: for a normally distributed random variable X with mean of 177.15 and standard deviation of 4.95 a…

A: It is given that the mean is 177.15 and the standard deviation is 4.95.

Q: A manufacturer knows that their items have a lengths that are skewed right, with a mean of 13.3…

A:

Q: The probability that a patient recovers from a stomach disease is 0.8. Suppose that 100 people…

A: Let p be the probability that a patient recovers from a stomach disease  Given  n=100, p=0.8  Note:…

Q: Given the binomial experiment with n=100 trials and probability of success on a single trial p=0.06,…

A: We have to find given probability.

Q: doctor is interested in the proportion of patients which live at least 5 years after being diagnosed…

A:

Q: For a random variable that is normally distributed, with mean of 80 and standard deviation of 10,…

A:

Q: Suppose that you randomly draw one card from a standard deck of 52 cards. After writing down which…

A: Suppose that you randomly draw one card from a standard deck of 52 cards.

Q: Resistors with a value of 1500 ohms are produced in a factory. There are deviations in the values of…

A: Random variables are of 2 types, discrete and continuous, a normal distribution is a continuous…

Q: A well-mixed cookie dough will produce cookies with a mean of 6 chocolate chips apiece. What is the…

A: Given problem is poisson distribution Mean=6

Q: From the past experience, 60% of the stocks are profitable. What is the probability that 5of the 7…

A:

Q: From the past experience, 70% of the stocks are profitable. What is the probability that 5 of the 8…

A:

Q: X is the Binomial Random Variable which counts the number of students who passed an exam. If the…

A: Here, n=46 and p=0.89.

Q: Suppose the taxi and takeoff time for commercial jets is a random variable X with a mean of 8.5…

A: We have to find out given probabiity..

Q: probability of delivering 0 baby each night can be calculated using the Poisson distribution

A: here given , The average number of deliveries per night is 1000/365, which is 2.74 so λ = 2.74…

Q: In a family with 2 ​children, the probability that all the children are girls is approximately 0.25.…

A: Givenn=1000p=0.25x~Binomial(n=1000,p=0.25)P(X=x)=(nx)×px×(1-p)n-x    x=0,1,...,n

Q: We suppose that the weight of men follows a normal distribution whose parameters are 80 kilos and 15…

A: Here, µ=80 and σ=15.

Q: A random variable has a normal distribution withσ = 10. If the probability that the random variable…

A: A z-score describes the position of a raw score in terms of its distance from the mean, when…

Q: The weight of a leatherback turtle is normally distributed with mean 760 pounds and standard…

A: Given,mean(μ)=760standard deviation(σ)=98

Q: Suppose that you randomly draw one card from a standard deck of 52 cards. After writing down which…

A: 20 cards are selected with replacement from a deck of 52 cards. We know in a deck of 52 cards 13 are…

Q: In a human genome there are 6.4X109 basepairs and the mutation rate per generation per basepair is…

A: The expected number of new mutations in a new generation is approximately between 100 and 200. There…

Q: The height of women ages​ 20-29 is normally​ distributed, with a mean of65 inches. Assume σ=2.5…

A:

Q: The second moment of a Poisson-distributed random variable is 2. The mean of the random variable is

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Q: 2. For a normal random variable with mean 6.50 and standard deviation 40, find the probability that…

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Q: If X is distributed as normal with μ = 20 and σ2 = 40 and a random sample of 4 variates is drawn…

A:

Q: For a normally distributed random variable the standard deviation is 3.7 what is the mean if 10% of…

A: Given that, σ=3.7 Consider that 10% of the distribution is less than 31.

Q: In a particular country on the African continent, 35% of the population is estimated to have at…

A: Let X denote the number of people having at least one smartphone Then given that: X~Binomialn=40,…

Q: Consider a normally distributed random variable X with a mean of 85 and standard deviation of 10.…

A: first question is incomplete please re-submit the question with complete information.

Q: A researcher claims that a post-lunch nap decreases the amount of time it takes males to sprint 20…

A:

Q: The mean height of 15-year-old boys (in cm) is 175 and the variance is 64. For girls, the mean is…

A: From the given information, Consider, x be the height of boys and y be the height of girls.…

Q: From the past experience, 30% of the stocks are profitable. What is the probability that 5 of the 7…

A: Obtain the mean of the random variable X.   The mean of the random variable X is obtained below as…

Q: The lengths of Atlantic croaker fish are normally distributed, with a mean of 10.4 inches and a…

A: Given problem Given that

Q: A researcher claims that a post-lunch nap decreases the amount of time it takes males to sprint 20…

A: The paired sample t-test, sometimes called the dependent sample t-test, is a statistical procedure…

Q: Suppose the annual savings (in millions of euros) of a specific household is a random variable,…

A: Given: n=16, μ=5 and σ=1.…

Q: For a marketing research it is known that the proportion women who use personal care products is…

A:

Q: what is the approximate probability that 230 or fewer will have 2 ​girls? Approximate a binomial…

A: In a family with 2 ​children, the probability that all the children are girls is approximately 0.25.…