Chapter 6
TAKEHOME ASSIGNMENT # 7
NAME
Kim, Mo Se
GRADE
/ 100
1.
Please put your name in the space above.
2.
All assignments must be done using MICROSOFT OFFICE WORD.
3.
Tables and graphs can be copied from your CLASS NOTES or EXCEL and
pasted directly into this file
or
you can work directly in this form.
4.
If pasting, paste all your work where indicated
AFTER EACH QUESTION.
5.
DO NOT ELIMINATE THE TABLES HERE.
6.
When you save your work, please remember to rename the TH file by adding your
last and first name.
For example
: TH7Esti Mate
7.
Submit this assignment into TH7 assignment folder by Midnight April 15.
Page
Question
Answer
312
A
If a binomial probability distribution satisfies
the requirement where np
≥
5 and nq
≥
5 and if
(0.5<x<0.5), what is the formula for the
ESTIMATED mean (
μ
)?
μ
= np
B
What does the formula
npq
=
σ
represent?
Standard deviation
314
If n = 213 and p = 0.5
A
What does q equal?
0.5
B
What is np
≥
5 ?
Required condition
C
What is the estimated mean?
106.5
D
What is the estimated standard deviation?
7.297
315
Use the proper symbols (=,<,
≤
, >,
≥
) For example x >122
A
At least 122
≥
122
B
More than 122
> 122
C
At most 122
≤
122
D
Fewer than 122
< 122
E
Exactly 122
= 122
Paste your answer here: (10 points)
Read chapter 67 and then answer the questions
.
Page
Question
Answer
324
to
325
A
Which STATDISK graph is closer to depicting
a normal distribution? (p. 324 or
p. 325)?
p. 324
B
What is the problem with the STATDISK graph
on page 325?
The gap between each X
values are too large.
328
To
329
A
Which graph represents a population with a
normal distribution?
(#5 or #6)?
#5
B
Which graph represents a population with a
normal distribution? ( # 7 or #8) ?
#7
Paste your answer here: (2 points)
1
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Chapter 6
PROBLEM 2: NOW IT’S YOUR TURN!
Find Z
α
/2
using an 80% degree of confidence
.
First draw the bell curve and label it to show all four areas. I have set up the bell curve
so that you can click inside and write the appropriate numbers.
If for some reason
that does not work, just write the areas in the table provided below the bell curve. (or
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 Spring '09
 MoSeKim
 Normal Distribution, Standard Deviation, cocaine, c Distribution

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