Math: Normal Distribution and Confidence Interval
Statistics Math 1342 Final Exam Review
Name___________________________________
MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. Provide an appropriate response. 1) A card is drawn from a standard deck of 52 playing cards. Find the probability that the card is an ace or a heart. 17 7 3 4 A) B) C) D) 52 52 13 13 Answer: D 2) The events A and B are mutually exclusive. If P(A) = 0.7 and P(B) = 0.2, what is P(A or B)? A) 0.5 B) 0.9 C) 0.14 D) 0 Answer: B 3) A coin is tossed. Find the probability that the result is heads. A) 1 B) 0.5 C) 0.1 Answer: B 4) Suppose you are using
= 0.01 to test the claim that µ = 950 using a P-value. You are given the
1)
2)
D) 0.9
3)
4)
sample statistics n = 35, x = 920, and s = 82. Find the P-value. A) 0.0308 B) 0.3169 C) 0.0077
D) 0.0154
Answer: A 5) Grade points are assigned as follows: A = 4, B = 3, C = 2, D = 1, and F = O. Grades are weighted according to credit hours. If a student receives an A in a four-unit class, a D in a two-unit class, a B in a three-unit class and a C in a three-unit class, what is the student 's grade point average? A) 1.75 B) 3.00 C) 2.50 D) 2.75 Answer: D 6) The top 14 speeds, in miles per hour, for Pro-Stock drag racing over the past two decades are listed below. Find the median speed.
181.1 201.2 202.2 193.2 190.1 201.2 201.4 194.5 191.3 199.2 201.4 196.0 192.2 196.2
5)
6)
A) 201.2 Answer: B
B) 196.1
C) 195.8
D) 196.7
7) The top 14 speeds, in miles per hour, for Pro-Stock drag racing over the past two decades are listed below. Find the mean speed.
181.1 201.2 202.2 193.2 190.1 201.2 201.4 194.5 191.3 199.2 201.4 196.0 192.2 196.2
7)
A) 210.9 Answer: B
B) 195.8
C) 201.2
D) 196.1
1
8) Calculate the correlation coefficient, r, for the data below. x y -10 -8 4 -13 A) -0.549 -1 1 -4 -10 -6 -7 -9 -6 B) -0.132 -5 -2 -3 -12 -2 -1 -9 0 C) -0.581
8)
D) -0.104
Answer: D 9) Given H0
Name___________________________________
MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. Provide an appropriate response. 1) A card is drawn from a standard deck of 52 playing cards. Find the probability that the card is an ace or a heart. 17 7 3 4 A) B) C) D) 52 52 13 13 Answer: D 2) The events A and B are mutually exclusive. If P(A) = 0.7 and P(B) = 0.2, what is P(A or B)? A) 0.5 B) 0.9 C) 0.14 D) 0 Answer: B 3) A coin is tossed. Find the probability that the result is heads. A) 1 B) 0.5 C) 0.1 Answer: B 4) Suppose you are using
= 0.01 to test the claim that µ = 950 using a P-value. You are given the
1)
2)
D) 0.9
3)
4)
sample statistics n = 35, x = 920, and s = 82. Find the P-value. A) 0.0308 B) 0.3169 C) 0.0077
D) 0.0154
Answer: A 5) Grade points are assigned as follows: A = 4, B = 3, C = 2, D = 1, and F = O. Grades are weighted according to credit hours. If a student receives an A in a four-unit class, a D in a two-unit class, a B in a three-unit class and a C in a three-unit class, what is the student 's grade point average? A) 1.75 B) 3.00 C) 2.50 D) 2.75 Answer: D 6) The top 14 speeds, in miles per hour, for Pro-Stock drag racing over the past two decades are listed below. Find the median speed.
181.1 201.2 202.2 193.2 190.1 201.2 201.4 194.5 191.3 199.2 201.4 196.0 192.2 196.2
5)
6)
A) 201.2 Answer: B
B) 196.1
C) 195.8
D) 196.7
7) The top 14 speeds, in miles per hour, for Pro-Stock drag racing over the past two decades are listed below. Find the mean speed.
181.1 201.2 202.2 193.2 190.1 201.2 201.4 194.5 191.3 199.2 201.4 196.0 192.2 196.2
7)
A) 210.9 Answer: B
B) 195.8
C) 201.2
D) 196.1
1
8) Calculate the correlation coefficient, r, for the data below. x y -10 -8 4 -13 A) -0.549 -1 1 -4 -10 -6 -7 -9 -6 B) -0.132 -5 -2 -3 -12 -2 -1 -9 0 C) -0.581
8)
D) -0.104
Answer: D 9) Given H0