Question 15 The grades for a standardized test are normally distributed with a mean of 65 and a standard deviation of 18. What is the 68th percentile of all grades for this test? 78.76 71.48 78.30 73.46 75.44

Q: how do you determine coterminals?

A: They are obtained by adding and subtacting 360 degrees

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A: Coefficients:  A numerical or constant quantity placed before and multiplying the variable in an…

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A: Given inequality is, 110x+7≤10.

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A: y=2tan14x

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A:

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A:

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A:

Q: Find aly if and of to

A: Differentiation

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A:

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A: Pascal's identity states that Ckn=Ckn-1+Ck-1n-1 for any positive k and n. here  Ckn  are binary…

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A: we have to determine the value of z to correspondingprobability value is 0.0400

Q: what is mode?

A: Mode:Mode is used as a measure of central tendency. The mode is the most frequently occurring value…

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A:

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A: Linear Regressions:- Regression analysis is a form of predictive modelling techniques that identify…

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A: Partial derivative with respect to x means treat y constant.

Q: a b er

A: Solution

Q: Give an example of the law of persistence of small numbers.

A:

Q: What about third one?

A:

Q: What is t

A: Note: After seeing the previous explanation, we observe that the student has some doubts  related…

Q: that

A: a. The parameter of interest is the percentage of times the scanners coming up with wrong price tag.…

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A:

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A: The given matrix is:We know that the inverse of a matrix exist if the matrix is non - singular.i.e.…

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A: