random guesses are made and each question has 6 possible answers. B) 2 C) D) 729 How many 6) Two dice are rolled. What is the probability of having both faces the same (doubles) or a total of 4? Round to the nearest hundredth. A) 0.06 C) 0.33 B) 0.37 22 31 D) 0.22 7) You are dealt one card from a 52-card deck. Find the probability that you are not dealt a spade. Express the probability as a simplified fraction. D) 13 4 2. 1 A) 4. B) C) 4. 13 P(no Spade) = | - 39 3. %3D 8) You toss a fair coin 5 times. What is the probability of at least one head? Round to the cod nearest ten-thousandth. B) 0.9688 131 /- 7) Based on the data from six students, the regression equation relating number of hours of preparation %3D (x) and test score (y) is y = 67.3 + 1.07x. The same data yield r = 0.224 and y = 75.2. What is the best predicted test score for a student who spent 2 hours preparing for the test? A) 75.2 C) 78.1 %3D B) 59.7 D) 69.4 +O+... +6 2.889 2-2.889)+(0- 2.889)²+... +(6-2.030 2.766 15+10+...-1 131

A First Course in Probability (10th Edition)
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ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
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Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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Question 6 

question 7 

random guesses are made and each question has 6
possible answers.
B) 2
C)
D)
729
How many
6) Two dice are rolled. What is the probability of
having both faces the same (doubles) or a total of
4? Round to the nearest hundredth.
A) 0.06
C) 0.33
B) 0.37
22
31
D) 0.22
7) You are dealt one card from a 52-card deck. Find
the probability that you are not dealt a spade.
Express the probability as a simplified fraction.
D) 13
4
2.
1
A)
4.
B)
C)
4.
13
P(no Spade) = | -
39
3.
%3D
8) You toss a fair coin 5 times. What is the
probability of at least one head? Round to the
cod
nearest ten-thousandth.
B) 0.9688
131
/-
Transcribed Image Text:random guesses are made and each question has 6 possible answers. B) 2 C) D) 729 How many 6) Two dice are rolled. What is the probability of having both faces the same (doubles) or a total of 4? Round to the nearest hundredth. A) 0.06 C) 0.33 B) 0.37 22 31 D) 0.22 7) You are dealt one card from a 52-card deck. Find the probability that you are not dealt a spade. Express the probability as a simplified fraction. D) 13 4 2. 1 A) 4. B) C) 4. 13 P(no Spade) = | - 39 3. %3D 8) You toss a fair coin 5 times. What is the probability of at least one head? Round to the cod nearest ten-thousandth. B) 0.9688 131 /-
7) Based on the data from six students, the regression
equation relating number of hours of preparation
%3D
(x) and test score (y) is y = 67.3 + 1.07x. The same
data yield r = 0.224 and y = 75.2. What is the best
predicted test score for a student who spent 2
hours preparing for the test?
A) 75.2
C) 78.1
%3D
B) 59.7
D) 69.4
+O+... +6
2.889
2-2.889)+(0- 2.889)²+... +(6-2.030
2.766
15+10+...-1
131
Transcribed Image Text:7) Based on the data from six students, the regression equation relating number of hours of preparation %3D (x) and test score (y) is y = 67.3 + 1.07x. The same data yield r = 0.224 and y = 75.2. What is the best predicted test score for a student who spent 2 hours preparing for the test? A) 75.2 C) 78.1 %3D B) 59.7 D) 69.4 +O+... +6 2.889 2-2.889)+(0- 2.889)²+... +(6-2.030 2.766 15+10+...-1 131
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