Question
In: Statistics and Probability
There is a video on Facebook. In the week or so after it posted, there were...
There is a video on Facebook. In the week or so after it posted, there were an average of 10 people clicking the “like” button per hour.
e) What is the probability that it takes more than 30 minutes until next like?
f) Knowing that it takes more than 10 mins for the next like, what is the probability that it takes less than 30 mins for the next like?
g) What is the median for the amount of time between “likes” for the video?
h) Two days after it was posted on facebook, the video got 46 “likes” in a 5 hour period. What is the probability that 8 of those were in the first 30 minutes of that 5 hour period?
Solutions
orchestra answered 2 years agoRelated Solutions
For your discussion posts this week, please watch the short video posted in Unit 3 Discussion,...
For your discussion posts this week, please watch the short
video posted in Unit 3 Discussion, National Congress of American
Indians. Then, please consider the ways that the National Congress
of American Indians, which created this video, demonstrates concern
for how American Indians are portrayed in American sports. Please
justify your initial response with sound reasoning. In your post,
you are also invited to consider other uses of different ethnic
backgrounds, cultures, and images in all sports (professional,
collegiate, and...
Researchers were interested in the relationship between the number of hours per week on Facebook and...
Researchers were interested in the relationship between the
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Using the tables below, answer the following questions.
Is there a significant relationship time spent on Facebook and
perceived loneliness? Explain your answer.
Write out the regression equation.
Given the calculated regression equation (see question 6),
calculate Y' for each of the following values of X:
10
15
25
Regression...
This week, you will use two of the data sets that were posted during last week's...
This week, you will use two of the data sets that were posted
during last week's discussion, as follows: 1) Refer to the data set
that you posted last week (high temperatures for your area during
the month of June 2019) and 2) Refer to the data set that one of
your classmates posted last week (high temperatures for their area
during the month of June 2019). Use these data sets to test the
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This week, you will use two of the data sets that were posted during last week's...
This week, you will use two of the data sets that were posted
during last week's discussion, as follows: 1) Refer to the data set
that you posted last week (high temperatures for your area during
the month of June 2019) and 2) Refer to the data set that one of
your classmates posted last week (high temperatures for their area
during the month of June 2019). Use these data sets to test the
claim that the average high temperature...
In the week before and the week after a holiday, there were 10 comma 000 total...
In the week before and the week after a holiday, there were 10
comma 000 total deaths, and 4917 of them occurred in the week
before the holiday. a. Construct a 95% confidence interval
estimate of the proportion of deaths in the week before the holiday
to the total deaths in the week before and the week after the
holiday. b. Based on the result, does there appear to be any
indication that people can temporarily postpone their death to...
and the week before and the week after a holiday there were eleven thousand total deaths...
and the week before and the week after a holiday there
were eleven thousand total deaths and 5489 of them occurred in the
week before the holiday construct a 90% confidence interval
estimate of the proportion of deaths in the week before the holiday
to the total deaths in the week before and the week after the
holiday based on the result does there appear to be any indication
that people can temporarily postponed their death to survive the
holiday
In the week before and the week after a holiday, there were 11 comma 000 total...
In the week before and the week after a holiday, there were 11
comma 000 total deaths, and 5489 of them occurred in the week
before the holiday.
a. Construct a 95% confidence interval estimate of the
proportion of deaths in the week before the holiday to the total
deaths in the week before and the week after the holiday.
____ < p < ____
b. Based on the result, does there appear to be any indication
that people can...
In the week before and the week after a holiday, there were 10 comma 00010,000 total...
In the week before and the week after a holiday, there were
10 comma 00010,000
total deaths, and
49834983
of them occurred in the week before the holiday.
a. Construct a
9090%
confidence interval estimate of the proportion of deaths in the
week before the holiday to the total deaths in the week before and
the week after the holiday.
b. Based on the result, does there appear to be any indication
that people can temporarily postpone their death to...
The following data represents number of pictures an individual has posted on Facebook (X) and their...
The following data represents number of pictures an individual
has posted on Facebook (X) and their level of narcissism(Y) as
measured on a 10-point scale, 10 being highest.
x
y
14
3
26
2
73
7
63
6
64
5
71
6
8
1
91
10
15
2
15
1
Analyze this data using both the correlational method as well as
regression via StatsCrunch. Write the data up using APA guidelines
in MS Word. Submit both your output from StatsCrunch...
5. Eight students were given a placement test and after a week of classes were given...
5. Eight students were given a placement test and after a week
of classes were given again a placement test at the same level.
Here are their scores.
Before 71 78 80 90 55 65 76 77
After 75 71 89 92 61 68 80 81
(a) Test whether the scores improved after 1 week by performing
a student test.
(b) Test whether the scores improved after 1 week by performing
a sign test.
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