binomial(n, p) The probability distribution for a binomial random variable X ~ where n is the number of trials and p the success probability, is: n! P(X = x) = k!(n – k)!P*(1 – p)"-k Explain the role of n! k! (n-k)! in the equation above.

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A: Sample mean  = 1.99 Sample standard deviation  = 0.92 n = 49

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Q: the Z table provided, find the value of ?. P[

A: If we have z table than we can get easily the probability of z value There are three steps. 

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Q: What is the relationship of population, sampling, sample, and inference in statistics?

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A: Given,n=4175x=3128p^=xnp^=31284175=0.74921-p^=1-0.7492=0.2508α=1-0.95=0.05α2=0.025Z0.025=1.96     (f...

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A: Here Rachels Null Hypothesis is that the average calories in frozen Mac n Cheese is 350.

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Q: The mean weight of 150 students in a class is 60 kg. The mean weight of boys in the class is 70 kg. ...

A: The mean weight of 150 students=60The mean weight of boys=70The mean weight of girls=55

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A: The probability for x=0 is 0.10 We have to find mean of the distribution.    

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A: We know that, The best point estimate of the population mean is sample mean .

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A: GivenMean(μ)=45standard deviation(σ)=7

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