13 Show that if A and B are mutually exclusive and if P(A) and P(B) are both positive, then A and B cannot be independent. [Hint: What is P(BA)?]

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Q: Given statistics: N = 60, X = 45.6. Use a 0.05 significance level to test the claim that  P < 0.7.

A: Given that  N = 60 , X = 45.6  p = 0.7 H0 : p = 0.7  Vs  H1 : p &lt; 0.7 p^ = X/N = 45.6/60 = 0.76

Q: Q.9 How can one determine the number of classes for a frequency distribution?

A:

Q: In five tossings of a fair coin find the chance of getting 3 heads.

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A: &gt; simulateuniform&lt;-runif(1000, 0, 1)&gt; &gt; simulateuniform   [1] 0.139715537 0.125109892…

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Q: Q. 22 If A and B are independent events, how about the independence of their complements A and B?

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Q: Suppose we want to know whether or not three different exam prep programs lead to different mean…

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Q: Why do we use area to represent frequency when we're graphing histograms?

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Q: Question #17 The following refer to the following data set: 91.2 94.8 128.3 128.3 114.6 105.2…

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Q: Q.9 How can one determine the number of classes for a frequency distribution?

A:

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Q: Why do we use area to represent frequency when we’re graphing histograms?

A: Introduction A histogram is a graph which shows the frequency of the numerical data.

Q: What is Sheppard's correction?

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Q: A machine produces 10 per cent defective items. Ten items are selected at random. Find the…

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Q: Q. 23 State multiplicative law of probability.

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Q: Find the area under a normal curve to the right of z = -2.72. O 0.9752 O 0.9967 O 0.9078 O 0.9231

A: Given  z = - 2.72 find the area under a normal curve to the right   P(Z&gt;-2.72)=?

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Q: 59. The research question is "What is the prevalence of alcohol and cigarette use among college…

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Q: Using your favorite statistics software package, you generate a scatter plot with a regression…

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