X is the Binomial Random Variable which counts the number of students who passed an exam. If the class has 93 students and the probability that a single student passes the exam is 0.75, standard deviation of the distribution? Write answers correct to 4 decimal places.

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A: To simplify the below expression.

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A: Power rule:   The power rules says that,

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A: We know that  i4 =1 and i2 =-1 So that  (i4)9 = 19 i.e. i36 = 1 So that  i39 = i36 . i2 . i =…

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A: Given Expression can be simplified as shown below

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A: First, we convert the mixed fractions into improper fractions

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A: From the given figure: From the property of the circle: PA·PB=PC·PD

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A: We have to simplify the expression : 3u5v4 / ( 9v3y6 + 15v5 ).

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A: Positive correlation: A correlation in the same direction is called a positive correlation and in…

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A: We have given  11√-6/11√2

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A: In this question , we can simplify the given expression. xn = x1n xa .xb =xa+b

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A: Please see the explanation below

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A: Given query is to find indicated angle.

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A: The given series is ∑n=1∞x-3nn25n. Let an=x-3nn25n, then an+1=x-3n+1n+125n+1. Apply ratio test,…

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A: To simplify the given terms

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A: Solution

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A: