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Salsk061 [2.6K]
3 years ago
13

A. In the standard normal and t distributions, the 95% confidence multiplier is equal to the ________ 1-sided critical value.

Mathematics
1 answer:
valkas [14]3 years ago
5 0

Answer:

a. 1.645 multiplier = 5% critical value

b. 95

Step-by-step explanation:

Note that in statistical analysis probability principles are often used. The critical value from the critical region indicates whether the statistician should reject or accept the null hypothesis.

Note that the confidence multiplier is a constant that shows the number of standard deviations in a normal curve; the  deviation standard<em> implies the measure of difference between the observed value of a variable and some another value.</em>

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We have given the table of number of male and female contestants who did and did not win prize

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Then numerator entity will

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= Number of female contestant who won prize / Total number of contestant

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P(A and B) = 0.1153

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Now P(A / B) = \frac{P( A and B)}{P(B)}

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P(A / B) = 0.2306

The probability that randomly selected contestant won prize given that contestant is female is 0.2306

Converting probability into percentage 23.06%

The percentage that randomly selected contestant won prize given that contestant is female is 23%

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