STAT 312
Basic Statistics for Engineering and Science
Sample Questions Last Part
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11 - 12. The sugar content of the syrup in canned peaches is normally distributed, and the variance is
thoug
STAT 312
Basic Statistics for Engineering and Science
Exam 2 Sample Questions
1 - 3. Suppose X has a discrete distribution with the following pdf.
1
() = cfw_3
0
= 1, 2, 3
A random sample of n = 36 is selected from this population. Let = 36
=1 , be the s
SOLUTIONS TO ASSIGNMENT 4- STAT 312
5-2. (10 points)
Let R denote the range of (X,Y). Because
f ( x , y ) c ( 2 3 4 3 4 5 4 5 6) 1 ,
R
= 1, and c = 1/36
a) P( X 1, Y 4) f XY (1,1) f XY (1,2) f XY (1,3)
1
36
(2 3 4) 1 / 4
b) P(X = 1) is the same as part
SOLUTIONS TO HOMEWORK 7
9-86 8 points
a) In order to use the 2 statistic in hypothesis testing and confidence interval
construction, we need to assume that the underlying distribution is normal.
1) The parameter of interest is the true standard deviation
1- 2. Here are the ages for a sample of n = 4 children. 2, 4, 6, 12
1. Calculate the sample mean.
, '
')
7 ,\ : , I .
2. Calculate The sample standard deviation.
(
\
;
(
,-.
\.
f)
f-;1;)
)
,\
+- .
)
1- (;
l
J I.
3-4 . The conversion formula from Celcius
STAT 312: Homework 1 Solutions (50 pts total)
1. (14 pts total) An article in a womens magazine reported that women who nurse their babies feel
warmer and more receptive towards their infants than mothers who bottle feed. This conclusion was based
on the
STAT 312: Homework 2 Solutions (50 pts total)
1. MR 2-90. (4 pts total)
Determine the following probabilities (1 pt each):
(a) P(A); (b) P(B); (c) P(A B); (d) P(A B)
(a) 5/36
(b) 5/36
(c) P( A B) = P( A) P( B) = 25 / 1296
(d) P( A B) = P( A) + P( B) P( A)
STAT 312: Homework 3 Solutions (50 pts total) \
1. MR 3-126(a-d). (5 pts total)
X = number of opponents until the player is defeated.
p = 0.8, the probability of the opponent defeating the player.
(a) f(x) = (1 p)x 1p = 0.8(x 1)(0.2)
(b) P(X > 2) = 1 P(X
1. The steam and plot for a given dataset is given below.
The decimal point is 1 digit(s) to the right of the I
5I3
6 I 589
7 I 0229
s I 34579
9 I 04
a) Calculate the median for the data. (3 points)
Y\;:.
ts
()J.-\.
\
xs 8
b) Calculate the interquartile
Surname 1
Name
Professor
Course
Date
Research proposal
Topic rationale Abstract
The existing social systems are rooted on stereotyped gender roles. In most cases the roles
have not been explained explicitly, but they are not neutral to both men and women
Name:_
Date:_
This worksheet
1. What is the recipe being featured in todays video?
Chocolate Mascarpone Cupcakes
2. List the ingredients used. Make sure to include the quantities.
2 cups sugar
1 cup vegetable oil
Three big eggs
3 cups of all-purpose flour
Running head: TERM PROJECT
1
Term Project
Students Name
Institution Affiliation
Choosing a Music Style for a Restaurant
Introduction
Choosing the right music playlist in a restaurant is very vital. Music is known to influence
the turnover rate of customer
Running Head: NAGASAKI AND HIROSHIMA
1
Nagasaki and Hiroshima
Students Name
University Affiliation
Nagasaki and Hiroshima
The bombing of Nagasaki and Hiroshima was an attack that will forever linger in the
minds of the Japanese. On the fateful day of 6, A
Running head: TERM PROJECT
1
Term Project
Students Name
Institution Affiliation
Introduction
Music in a restaurant is a very important. Music is known to influence the turnover rate of
customers and encourage them to buy more food and drinks as they liste