Estimate the indicated probability by using the normal distribution as an approximation to the binomial distribution. 13) A certain question on a test is answered correctly by 22% of the respondents. Estimate the probability that among the next 150 responses there will be at most 40 correct answ ers. 13) A) 0.8997 B) 0.9306 C) 0.0694 D) 0.1003

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
icon
Related questions
icon
Concept explainers
Topic Video
Question
100%
#13
6(25)-1632).2(26) +3 (15)+ 4(84)
2 0.26
30.15
4 0.04
A) No
O+.32+1.04B
1.35+.64
Find the indicated probability.
11) A test consists of 10 true/false questions. To pass the test a student must answ er at least 8 questions
correctly. If a student guesses on each question, what is the probability that the student will pass
11)
the test?
A) 0.044
B 0.055
C) 0.011
D) 0.989
Solve the problem.
810,S
12) The annual precipitation amounts in a certain mountain range are normally distributed with a
mean of 75 inches, and a standard deviation of 16 inches. What isthe probability that the mean
12)
annual precipitation during 64 randomly picked years will be less than 77.8 inches?
A) 0.5808
7.8-75 28
To
B) 0.4192
C) 0.0808
D) 0.9192
16
Estimate the indicated probability by using the normal distribution as an approximation to the binomial distribution.
13) A certain question on a test is answered correctly by 22% of the respondents. Estimate the
probability that among the next 150 responses there will be at most 40 correct answ ers.
A) 0.8997
13)
B) 0.9306
C) 0.0694
D) 0.1003
Use the normal distribution to approximate the desired probability.
14) A coin istossed 20 times. A person, who claims to have extrasensory perception, is asked to predict
the outcome of each flip in advance. She predicts correctly on 14 tosses. What is the probability of
being correct 14 or more times by guessing? Does this probability seem to verify her claim?
A) .0582, no
14)
B) .4418 , yes
C) .0582, yes
D) .4418 , no
15)
15) Find the probability that in 200 tosses of a fair die, we will obtain at least 40 fives.
B) .2229
C) .1210
D) .0871
A) .3871
2
Transcribed Image Text:6(25)-1632).2(26) +3 (15)+ 4(84) 2 0.26 30.15 4 0.04 A) No O+.32+1.04B 1.35+.64 Find the indicated probability. 11) A test consists of 10 true/false questions. To pass the test a student must answ er at least 8 questions correctly. If a student guesses on each question, what is the probability that the student will pass 11) the test? A) 0.044 B 0.055 C) 0.011 D) 0.989 Solve the problem. 810,S 12) The annual precipitation amounts in a certain mountain range are normally distributed with a mean of 75 inches, and a standard deviation of 16 inches. What isthe probability that the mean 12) annual precipitation during 64 randomly picked years will be less than 77.8 inches? A) 0.5808 7.8-75 28 To B) 0.4192 C) 0.0808 D) 0.9192 16 Estimate the indicated probability by using the normal distribution as an approximation to the binomial distribution. 13) A certain question on a test is answered correctly by 22% of the respondents. Estimate the probability that among the next 150 responses there will be at most 40 correct answ ers. A) 0.8997 13) B) 0.9306 C) 0.0694 D) 0.1003 Use the normal distribution to approximate the desired probability. 14) A coin istossed 20 times. A person, who claims to have extrasensory perception, is asked to predict the outcome of each flip in advance. She predicts correctly on 14 tosses. What is the probability of being correct 14 or more times by guessing? Does this probability seem to verify her claim? A) .0582, no 14) B) .4418 , yes C) .0582, yes D) .4418 , no 15) 15) Find the probability that in 200 tosses of a fair die, we will obtain at least 40 fives. B) .2229 C) .1210 D) .0871 A) .3871 2
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 2 steps with 2 images

Blurred answer
Knowledge Booster
Application of Algebra
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, statistics and related others by exploring similar questions and additional content below.
Recommended textbooks for you
MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
Probability and Statistics for Engineering and th…
Probability and Statistics for Engineering and th…
Statistics
ISBN:
9781305251809
Author:
Jay L. Devore
Publisher:
Cengage Learning
Statistics for The Behavioral Sciences (MindTap C…
Statistics for The Behavioral Sciences (MindTap C…
Statistics
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning
Elementary Statistics: Picturing the World (7th E…
Elementary Statistics: Picturing the World (7th E…
Statistics
ISBN:
9780134683416
Author:
Ron Larson, Betsy Farber
Publisher:
PEARSON
The Basic Practice of Statistics
The Basic Practice of Statistics
Statistics
ISBN:
9781319042578
Author:
David S. Moore, William I. Notz, Michael A. Fligner
Publisher:
W. H. Freeman
Introduction to the Practice of Statistics
Introduction to the Practice of Statistics
Statistics
ISBN:
9781319013387
Author:
David S. Moore, George P. McCabe, Bruce A. Craig
Publisher:
W. H. Freeman