Find the area in a standard Normal curve to the left of 1.02 by using the normal table

# Homework Help for Statistics (page 6)

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3 answers left

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Answered

13 Feb 2019

Im not sure how to approahc a question like this, what are steps you could follow to solve this?

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13 Feb 2019

In a large class, there were 274 students who wrote both the midterm and the final exam. The standard deviation of the midterm grades was 13, and that of the final exam was 16. The correlation between the grades on the midterm and the final was 0.6.

Based on the least squares regression line fitted to the data of the 274 students, if a student scored 19 points below the mean on the midterm, then how many points below the mean on the final would you predict her final exam grade to be?

The predicted final exam grade is below the mean on the final. (Round your answer to one decimal place, but do not round in intermediate steps.)

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13 Feb 2019

Answer: 9- (2) Find the limit lim 34+93 - Vo

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8 Dec 2018

(3) Find f'(x) if f(x) = (sin x )sins Answer:

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28 Nov 2018

mo (5) A microbial population doubles in size every six days. How many days does it take to triple in size? (Your answer will be in terms of logarithms!) t/

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24 Nov 2018

21 2:11 + + 7. When does the system 2ac2 = 612 + ax3 = -8.02 + 4ax3 = 0 0 have a nontrivial solution? 0 A) When a = 0 or a = 2. B) For any real number a. C) When a=0. D) When a = 0 or a = -2.

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24 Nov 2018

(b) Find the value(s) of h for which ū= 1 belongs to the plane spanned by ū= 0 1-1 11 and w= -1). For such value(s) of h, express ū as a linear combination of ū and w. 10

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23 Nov 2018

1. Suppose that v and w are in R3 and {v, w} is independent. Which of the following sets is independent? A) {0, v, w}. B) {v, w, 3v – 4w}. C) {v, w, v x w}. D) {v - w,v+w, 2v}.

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22 Nov 2018

(7) If f() = -sec? +tanr, then find f' 2. 2 1 sier Diena

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22 Nov 2018

(b) Let B = h), where h is a real number. Find the value(s) of h for which the system h2 AX = B is consistent.

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14 Nov 2018

(1) A microbial population doubles in size every three days. How many days does it take to triple in size? (Your answer will be in terms of logarithms!)

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14 Nov 2018

5. [5 marks) Compute the limit lim- u++2 2 - u Vu+ 2 Vu-1

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12 Nov 2018

3. Consider the function f(x) = 12 - VX| (b) [3 marks) Write f(x) as a piecewise function that doesn't contain any absolute values.

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10 Nov 2018

4. Let y = f(x) be defined by the equation 14x + yx2 + y2 = -16 near x = -1, y=-1. The value of f'(-1) is (a) -5, (b) –7, (c) –4, (d) –11, (e) – 9.

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9 Nov 2018