* In building materials laboratory, it has been observed that a failure proportion of concrete cubes in the compressive strength test is (0.05) for a particular construction project. Determine the probability that at most (3) samples out of (300) concrete cubes will fail in the test ?using Poisson Distribution 0.0002 O 0.0005 O 0.0001 O 0.0006 O 0.0003 O

Q: Let X distributed as a Normal random variable with a mean of 19 and a standard deviation of  4. A)…

A:

Q: a machine producing vitamin E capsules operates so that the actual amount of vitamin E in each…

A:

Q: Based on the F obtained which is the amount of variability among the means expected by chance? Is it…

A: Introduction: It is required to identify the quantity that provides the amount of variability among…

Q: * In building materials laboratory, it has been observed that a failure proportion of concrete cubes…

A: n be the sample size  n=300, p be the probability p=0.05   X~Pois(λ)

Q: nisms are present in ballast water discharged from a ship according to a Poisson process with a…

A: A random variable X representing the Number of organisms in 1.5cubic meters  will follow Poisson…

Q: uestion Q2. Borneo Steel Corporation produces iron rings that are supplied to ARAAB Co. Ltd. These…

A:

Q: carried from a mine in West Virginia to a power plant in New York in hopper cars on a long train.…

A:

Q: busy restaurant on Wednesdays follows a Normal distribution with mean 4,365 and standard deviation…

A:

Q: Coal is carried from a mine in West Virginia to a power plant in New York in hopper cars on a long…

A: a) The Z-score of a random variable X is defined as follows: Z = (X – µ)/σ. Here, µ and σ are the…

Q: The number of customers served at a busy restaurant on Wednesdays follows a Normal distribution with…

A:

Q: 3. (18/222, Expected Value and Variance) The Philippine Housing Survey reported the following data…

A: E(X)= ΣXi*fi/Σfi  fi represents the renter-occupied houses.  E(X)=…

Q: Soft drink cans are filled by an automated filling machine. The mean fill volume is 12.1 fluid…

A: GivenMean(x)=12.1standard deviation(σ)=0.05n=10

Q: (a) What is the probability that one car chosen at random will have less than 70.5 tons Un co answer…

A: It is given that  Mean, μ = 71 Standard deviation, σ = 0.7

Q: company has a new process for manufacturing large artificial sapphires. In a trial run, 37 sapphires…

A: The number of degrees of freedom are , df=n-1=37−1=36 The critical t-value for α=0.05 and df=36…

Q: Coal is carried from a mine in West Virginia to a power plant in New York in hopper cars on a long…

A: Given Mean=88 Standard deviation=0.5

Q: The number of ants per acre in a forest is normally distributed with mean 42,000 and stands…

A: We have given that,  The  forest is normally distributed with mean(mu) = 42000 and standard…

Q: of coal into each car. The actual weights of coal loaded into each car are normally distributed,…

A:

Q: The score in the final statistics exam is distributed as a normal random variable with mean of 72…

A: Given that: X is normally Distributed with mean µ = 72.0 and standard deviation σ = 7.0 By using…

Q: The number of alpha particles per square centimeter emitted by a radioactive substance is Poisson…

A:

Q: Coal is carried from a mine in West Virginia to a power plant in New York in hopper cars on a long…

A: Mean()=73Standard deviation()=0.6Sample size(n)=40

Q: The Gas company bought a new machine. The weight of metal components in it are normally distributed…

A: Assume, X be the random variable representing the weights of metal components (in lbs). It is…

Q: Q13) The heights of women are normally distributed with mean 65 inches and standard deviation…

A: Given data; The heights of women are normally distributed mean =  65 inches standard deviation = 2.5…

Q: Coal is carried from a mine in West Virginia to a power plant in New York in hopper cars on a long…

A: Given that ; Mean = 53 tons S. D = 1.3 tons By using standard normal distribution.

Q: Coal is carried from a mine in West Virginia to a power plant in New York in hopper cars on a long…

A:

Q: Q2) In a local puncher shop, the bolt of a Tyre is normally distributed, with a mean of 0.82 cm and…

A: From the given information ,In a local puncher shop , the bolt of a tyre is normally distributed…

Q: Assume that women's heights are normally distributed with a mean of 63.6 inches and a standard…

A: We want to find the probability

Q: The amountof cashew nuts per packet (?), sold by a company,can be modelled usinga normal random…

A: We have given that.   X~N( μ =115, ?^2 =4)   μ =115 , ? =2   Z-score =( x - μ )/?

Q: Service time for a customer coming through a checkout counter in a retail store is a random variable…

A: Solution-: Given: Service time for a counter coming through a checkout counter with means…

Q: Coal is carried from a mine in West Virginia to a power plant in New York in hopper cars on a long…

A: a) Suppose a random variable x defines the amount of coal loaded in a car.

Q: Let Y1....,Yn be a random sample from a normal distribution with mean 30 and standard deviation 3.…

A: Let Y be the variable that follows normal distribution with mean, μ=30 and standard deviation, σ=3.…

Q: The number of defects in printed circuit boards is hypothesized to follow a distribution. A random…

A: From the given information, There are 4 categories. Let us consider, P1=P2=P3=P4=1/4 Consider…