Question
In: Statistics and Probability
The table below shows whether a random collection of people will respond to a survey or...
The table below shows whether a random collection of people will respond to a survey or not, in different age groups. Test the claim that cooperation of a subject and the age of a subject are independent. χ2R = 15.086
|
Age |
18-21 |
22-29 |
30-39 |
40-49 |
50-59 |
60 and over |
|
responded |
73 |
255 |
245 |
136 |
138 |
202 |
|
refused |
11 |
20 |
33 |
16 |
27 |
49 |
Critical Values: z0.005 = 2.575, z0.01 = 2.325, z0.025 = 1.96, z0.05 = 1.645
When d.f.=6: t0.005 = 3.707, t0.01 = 3.143, t0.025 = 2.447, t0.05 = 1.943
When d.f.=9: t0.005 = 3.250, t0.01 = 2.821, t0.025 = 2.262, t0.05 = 1.833
When d.f.=44: t0.005 = 2.690, t0.01 = 2.412, t0.025 = 2.014, t0.05 = 1.679
When d.f.=100: t0.005 = 2.625, t0.01 = 2.364, t0.025 = 1.984, t0.05 = 1.660
Solutions
orchestra answered 1 year agoRelated Solutions
The table below shows the results of a survey that asked 28632863 people whether they are...
The table below shows the results of a survey that asked
28632863
people whether they are involved in any type of charity work. A
person is selected at random from the sample. Complete parts (a)
through (e).
Frequently
Occasionally
Not at all
Total
Male
224
456
791
1471
Female
205
440
747
1392
Total
429
896
1538
2863
(a) Find the probability that the person is frequently or
occasionally involved in charity work.
Upper P left parenthesis being frequently involved...
The table below shows the results of a survey that asked 2867 people whether they are...
The table below shows the results of a survey that asked 2867
people whether they are involved in any type of charity work. A
person is selected at random from the sample. Complete parts (a)
through (b).
Frequently
Occasionally
Not at all
Total
Male
221
453
792
1466
Female
208
450
743
1401
Total
429
903
1535
2867
(a) Find the probability that the person is frequently or
occasionally involved in charity work.
P(being frequently involved or being occasionally involved)=...
The table below shows the results of a survey that asked 2864 people whether they are...
The table below shows the results of a survey that asked
2864 people whether they are involved in any type of charity
work. A person is selected at random from the sample. Complete
parts (a) through (d).
Frequently Occasionally Not at
all Total
Male 228 458 792 1478
Female 205 440 741 1386
Total 433 898 1533 2864
(a) Find the probability that the person is frequently or
occasionally involved in charity work.
Upper P left parenthesis being frequently...
The table shows the results of a survey that asked 2850 people whether they were involved...
The table shows the results of a survey that asked 2850 people
whether they were involved in any type of charity work. A person is
selected at random from the sample. Find the probability of each
event. Give your answers as simplified fractions or as decimals
rounded to 3 places.
Frequently
Occasionally
Not at all
Total
Male
221
456
795
1472
Female
207
430
741
1378
Total
428
886
1536
2850
a) What is the probability that the person is...
The data in the table below shows the ages of a group of people in a...
The data in the table below shows the ages of a group of people
in a certain community.
47 31 42 33 58 51 25 28 62 29 65 46 51 30 43 72 73 37 29 39 53
61 52 35
a. Construct an ordered stem-and-leaf diagram to represent the
above data set.
b. Find the mean of the bonuses.
c. Find the median of the bonuses.
d. Find the mean absolute deviation.
e. Find the variance and standard...
A) The table below shows the results of a survey that asked 1052 adults from a...
A) The table below shows the results of a survey that asked 1052
adults from a certain country if they would support a change in
their country's flag. A person is selected at random. Complete
parts (a) through (d).
Support
Oppose
Unsure
Total
Males
151
332
10
493
Females
244
296
19
559
Total
395
628
29
1052
(a) Find the probability that the person opposed the change or
is female.
(b) Find the probability that the person supports the...
The table below shows the distribution of the opinions of US parents as to whether a...
The table below shows the distribution of the opinions of US
parents as to whether a college education is worth the expense:
STRONGLY AGREE
SOMEWHAT AGREE
NEITHER AGREE NOR DISAGREE
SOMEWHAT DISAGREE
STRONGLY DISAGREE
55%
30%
5%
6%
4%
An economist claims that the distribution of the opinions of US
teenagers on this question is different from the distribution of
the opinions of US parents. To test this claim, you randomly survey
200 US teenagers, and the results are:
STRONGLY...
The table represents a survey of a random sample of 229 residents on whether names of...
The table represents a survey of a random sample of 229
residents on whether names of convicted sexual offenders should be
publicized.
Male
Female
Yes
41
85
No
59
44
Test hypothesis of no difference between males and females on
the question of whether sex offenders' names should be publicized
on their release from jail. Use 0.05 significance level.
1. (Multiple Choice) What are the null and alternative
hypotheses?
(a) H0: Dependence; H1: Independence
(b) H0: u1=µ2; H1: µ1?µ2
(c)...
The data in the table below are the result of a random survey of 39 national...
The data in the table below are the result of a random survey of
39 national flags (with replacement between picks) from various
countries. We are interested in finding a confidence interval for
the true mean number of colors on a national flag. Let X = the
number of colors on a national flag. X Freq. 1 1 2 7 3 18 4 7 5 6
Construct a 95% confidence interval for the true mean number of
colors on national...
The data in the table below are the result of a random survey of 39 national...
The data in the table below are the result of a random survey of
39 national flags (with replacement between picks) from various
countries. We are interested in finding a confidence interval for
the true mean number of colors on a national flag. Let X =
the number of colors on a national flag.
X
Freq.
1
1
2
7
3
18
4
7
5
6
Construct a 95% confidence interval for the true mean number of
colors on national...
ADVERTISEMENT
ADVERTISEMENT
Latest Questions
- Excerpt from The Gospel According to Matthew (1st c. CE) Matthew 5:1-12; 5:21-26; 5:38-48; 6:8-13; 7:7-12.The...
- Task #1 – Software Sales A software company sells a package that retails for $99. Quantity...
- Describe a historical situation where a failure to assess and correctly interpret the external environment resulted...
- a) For the last 3 years, the JCR corporation has averaged annual gross receipts of $27...
- Provide an example for each of the following types of data model: -Conceptual data models -Physical...
- Step 1: Pick stock you would like to invest in for the long-term (10 or more...
- Create a class named Employee and its child class named Salesperson. Save each class in its...
ADVERTISEMENT