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MATH 1280 Final Actual Exam Questions With Reviewed 100% Correct Detailed Answers & Rationales Guaranteed Pass!!

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MATH 1280 Final Actual Exam Questions With Reviewed 100% Correct Detailed Answers & Rationales Guaranteed Pass!! 1. X ~ N (54, 8) {this means that X is a random variable that follow a normal distribution with mean 54 and standard deviation 8}. Find the probability that x 56 (P (x 56)). Question 1Answer a. 0.012 b. 0.4013 c. 0.5013 b What is the probability that a standard normal random variable is between –0.73 and 2.27? Question 2Answer MATH 1280 Final Actual Exam Questions With Reviewed 100% Correct Detailed Answers & Rationales Guaranteed Pass!! Final Exam (Proctored) Time left 0:06:00 Question 1 Answer saved Marked out of 1.00 Flag question Question 3 Answer saved Marked out of 1.00 Flag question Question text What expression represent the area to the left of 1? Question 3Answer a. P (x1) b. P (x 1) c. P (x =1) Clear my choice Question 4 Answer saved Marked out of 1.00 Flag question Question text What expression represents the area to the right of 1? a. 0.7557 b. 1.54 c. 0.4884 d. 0.2211

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Institution
MATH
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MATH 1280 Final Actual Exam
Questions With Reviewed 100% Correct
Detailed Answers & Rationales
Guaranteed Pass!!


Final Exam (Proctored)

Time left 0:06:00
Question 1
Answer saved
Marked out of 1.00

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Question text
X ~ N (54, 8) {this means that X is a random variable that follow a normal
distribution with mean 54 and standard deviation 8}. Find the probability that x
> 56 (P (x > 56)).



Question 1Answer
a.
0.012
b.
0.4013



c.
0.5013
b
Clear my choice

Question 2
Answer saved
Marked out of 1.00

Flag question


Question text
What is the probability that a standard normal random variable is between –0.73
and 2.27?
Question 2Answer

,
, a.
0.7557
b.
1.54
c.
0.4884



d.
0.2211



Clear my choice
Question 3
Answer saved
Marked out of 1.00

Flag question

Question text
What expression represent the area to the left of 1?




Question 3Answer
a.
P (x>1)
b.
P (x <1)



c.
P (x =1)
Clear my choice

Question 4
Answer saved
Marked out of 1.00

Flag question

Question text
What expression represents the area to the right of 1?

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Institution
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Course
MATH

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