A. In a given normal distribution, the sample mean is 75 and the sample standard deviation is 4. Find the corresponding standard score of the following values: 1. 69 3. 70 2. 85 4. 65

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Q: a person aged 60 years living till he is 80. Find the probability that at least one of them will be ...

A: HERE GIVEN VALUE OF ODDS AGAINST EVENT   odds against event A = p(A')p(A)

Q: For each of the states, use the summary statistics and find the P(x<=11) using z-statistics. Assume ...

A: We have given that.   X~N( μ , ?^2 )   μ =8.413793 , ? =2.121611   Z-score =( x - μ )/?

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Q: The heights of adult men in America are normally distributed, with a mean of 69.2 inches and a stand...

A: Formula of z score : z = x - μσ Where  ,  μ is population mean. σ is standard deviation.  

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Q: Find the indicated area under the standard normal curve.   To the right of z=1.63

A: To find The area to the right of z=1.63 ?

Q: The profits of a Company for the last 8 years are given below. Calculate the Range and its Coefficie...

A: Range = maximum-minimum  Here maximum= 230  And minimum= 40 Range = 230-40 Range = 190

Q: Complete parts​ (a) and​ (b) below.   The number of dogs per household in a small town x    P(x) 0  ...

A: The table shows the number of dogs per household in a small town.

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Q: he accompanying table shows the height​ (in inches) of 8 high school girls and their scores on an IQ...

A: Given data, X Y X*Y X*X Y*Y 62 109 6758 3844 11881 57 102 5814 3249 10404 64 106 6784 4096 ...

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A: For the given data Find p( 18-21 or agreed ) = ?

Q: For each of the states, use the summary statistics and find the P(x<=11) using z-statistics.  Assume...

A: We have given that.   X~N( μ , ?^2 )   μ =8.396552 , ? =3.381619   Z-score =( x - μ )/?

Q: chickens follow a normal distribution with a mean of ? kg and a standard deviation of ? kg. It is gi...

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Q: ind the​ mean, variance, and standard deviation of the binomial distribution with the given values o...

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A: Given,A random variable X~U(27,56)f(x)=156-27 f(x)=129   ;   27≤X≤56

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Q: Working with the Normal Distribution The next 10 questions refer to the following scenario: Beer con...

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Q: Two dice are rolled. Find the probability of getting doubles or a sum of 12. 0 2 O 5 18 156

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Q: The proportions of defective parts produced by two machines were compared, and the following data we...

A: Given data,For Machine 1:n1=144x1=10p1=x1n1=0.069For Machine 2:n2=159x2=6p2=6159=0.038 Determine a 9...