The reading speed of second grade students in a large city is approximately normal, with a mean of 90 words per minute (wpm) and a standard deviation of 10 wpm. Complete parts (a) through (f). ECCID O D. Increasing the sample size increases the probability because o decreases asn increases. (e) A teacher instituted a new reading program at school. After 10 weeks in the program, it was found that the mean reading speed of a random sample of 19 second grade students was 92.3 wpm. What might you conclude based on this result? Select the correct choice below and fill in the answer boxes within your choice. (Type integers or decimals rounded to four decimal places as needed.) O A. A mean reading rate of 92.3 wpm is not unusual since the probability of obtaining a result of 92.3 wpm or more is 0.0815. This means that we would expect a mean reading rate of 92.3 or higher from a population whose mean reading rate is 90 in 8 of every 100 random samples of size n= 19 students. The new program is not abundantly more effective than the old program. ats nts O B. A mean reading rate of 92.3 wpm is unusual since the probability of obtaining a result of 92.3 wpm or more is 0.0815. This means that we would expect a hts mean reading rate of 92.3 or higher from a population whose mean reading rate is 90 in 4 of every 100 random samples of size n= 19 students. The new lanthy more effective than the old program.

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
Question

E

The reading speed of second grade students in a large city is approximately normal, with a mean of 90 words per minute (wpm) and a standard deviation of 10 wpm.
Complete parts (a) through (f).
Formula Sheet
Unit 1 Assignments
Unit 2 Assignments O D. Increasing the sample size increases the probability because o, decreases as n increases.
second grade students was 92.3 wpm. What might you conclude based on this result? Select the correct choice below and fill in the answer boxes within your
choice.
Unit 3 Assignments (e) A teacher instituted a new reading program at school. After 10 weeks in the program, it was found that the mean reading speed of a random sample of 19
Midterm Assignme
(Type integers or decimals rounded to four decimal places as needed.)
O A. A mean reading rate of 92.3 wpm is not unusual since the probability of obtaining a result of 92.3 wpm or more is 0.0815 . This means that we would
expect a mean reading rate of 92.3 or higher from a population whose mean reading rate is 90 in 8 of every 100 random samples of size n= 19 students.
The new program is not abundantly more effective than the old program.
Unit 4 Assignments
Unit 5 Assignments
B. A mean reading rate of 92.3 wpm is unusual since the probability of obtaining a result of 92.3 wpm or more is 0.0815 . This means that we would expect a
mean reading rate of 92.3 or higher from a population whose mean reading rate is 90 in 4 of every 100 random samples of size n= 19 students. The new
program is abundantly more effective than the old program.
Final Assignments
Student Gradebook
Clear all
Final check
StatCrunch
View an example
Get more help -
Help me solve this
MATH 0530 Skills fo
Success (MATH 0530
Students Only)
Review
Resume
hp
12
fg
fho
insert
prt sc
f5
f6
144
esc
&
5
6
T
Y.
D
FG
00
R
%24
%23
Transcribed Image Text:The reading speed of second grade students in a large city is approximately normal, with a mean of 90 words per minute (wpm) and a standard deviation of 10 wpm. Complete parts (a) through (f). Formula Sheet Unit 1 Assignments Unit 2 Assignments O D. Increasing the sample size increases the probability because o, decreases as n increases. second grade students was 92.3 wpm. What might you conclude based on this result? Select the correct choice below and fill in the answer boxes within your choice. Unit 3 Assignments (e) A teacher instituted a new reading program at school. After 10 weeks in the program, it was found that the mean reading speed of a random sample of 19 Midterm Assignme (Type integers or decimals rounded to four decimal places as needed.) O A. A mean reading rate of 92.3 wpm is not unusual since the probability of obtaining a result of 92.3 wpm or more is 0.0815 . This means that we would expect a mean reading rate of 92.3 or higher from a population whose mean reading rate is 90 in 8 of every 100 random samples of size n= 19 students. The new program is not abundantly more effective than the old program. Unit 4 Assignments Unit 5 Assignments B. A mean reading rate of 92.3 wpm is unusual since the probability of obtaining a result of 92.3 wpm or more is 0.0815 . This means that we would expect a mean reading rate of 92.3 or higher from a population whose mean reading rate is 90 in 4 of every 100 random samples of size n= 19 students. The new program is abundantly more effective than the old program. Final Assignments Student Gradebook Clear all Final check StatCrunch View an example Get more help - Help me solve this MATH 0530 Skills fo Success (MATH 0530 Students Only) Review Resume hp 12 fg fho insert prt sc f5 f6 144 esc & 5 6 T Y. D FG 00 R %24 %23
Expert Solution
steps

Step by step

Solved in 2 steps with 1 images

Blurred answer
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