Poisson distribution with a mean
Cars arriving for gasoline at the Shell station follow Poisson distribution with mean of 10 per hour. Calculate the probability that in the next 3 hours, more than 25 cars will arrive.
Probability=?
Expected delivery within 24 Hours
A frequency curve is based upon a total of 400 cases, 40 of which fall below score of 78. If the total area under the curve is 50 square inches, how much area falls below score of 78?
Before date of trip, 8 more people joined tour decreasing price by $6 per person. Determine original number of tourists in group and original price per person.
The participants in a television quiz show are picked for a large pool of applicants with approximately equal numbers of men and women. Among the last 10 participants there have been only 2 women.
A frequency curve is constructed from test scores of 200 students. Sixty percent of total area under the curve falls between test scores of 25 and 45. How many students have scores between 25 and 45?
Three squares inches out of total area under frequency curve of 12 square inches falls below score of 68. If the curve is based upon a total of 80 cases, how many cases fall below score of 68?
Suppose that probability distribution of lifetimes of participants is approximately the normal distribution with mean of 71 years and standard deviation of 3.5 years. What proportion of plan participants are expected to see 75th birthday?
Given the following frequency distribution, find the mean, variance, and standard deviation. Please show all of your work.
Based upon a sample size of 511 teens, it is estimated that the proportions of teens who support the legal drinking age at 21 is p=0.64. It is also reported that the margin of error of this estimate is 4%. Show how the reported value for margin of
1927998
Questions Asked
3,689
Active Tutors
1426471
Questions Answered
Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!
Question: Which theory was studied by Karl Marx? Select one. Question options: conflict theory stereotype theory symbolic frameworks theory of beliefs N
Brofenbrenner's as well as other ecology researchers approach the study of the environment through the eye of the beholder-from the subject's point of view.
When people have behaved in such a way that they have made their schema come true even if it may not have been, they have demonstrated
Which theory relates to the 40-hour work week? Select one. Question options: systemic interactionism functionalism stereotypes bias implicit bias.
Substance use disorders (SUDs) are often complicated by co-occurring psychiatric conditions such as depression, anxiety, or personality disorders.
From general behavior analysis: Define "out of seat". Include examples and non-examples. From general behavior analysis:
What makes identity so important in adolescence? Option A identity stops in What makes identity so important in adolescence?