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Mashcka [7]
3 years ago
6

The standard normal curve shown below models the population distribution of a random variable. What proportion of the values in

the population does not lie between the two z-scores indicated on the diagram?
z=-1.25
z=0.80
Mathematics
1 answer:
Zepler [3.9K]3 years ago
8 0

Answer:

0.3175

Step-by-step explanation:

z=-1.25 from table is .1056

z=.80 from table is .7881

subtract from each other =.6825

Subtract from the whole is 1-.6825=0.3175

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Answer:

The probability that they sit next to each other is 50%.

Step-by-step explanation:

Consider the provided information.

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The required probability is:

P=\frac{^3C_1}{^4C_2} \\\\P=\frac{3}{6}\\\\P=\frac{1}{2}

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6 0
3 years ago
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Step-by-step explanation:

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8 0
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Step-by-step explanation:

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