Reference no: EM131044889
a) The following data represent the number of years patients survived after being diagnosed withterminal cancer: 0.4, 0.5, 0.6, 0.6, 0.6, 0.8, 0.8, 0.9, 0.9, 0.9,1.2, 1.2, 1.3, 1.4, 2.1, 2.4, 2.5, 4.0, 4.5, 4.6
(i) Construct a stem-and-leaf display
(ii) Supposedly you are inserting the above stem-and-leaf display in a report to be submitted to management, write a short comment on the diagram.
b) The following data shows the weight (in kg) of 13 crabs found in a restaurant on a particular evening: 3.4 1.2 1.7 2.4 2.4 1.1 0.9 0.8 1.2 1.6 0.7 1.2 1.3
(i) Compute the mean and median.
(ii) Determine the shape of the distribution based on the sample data? Explain yourconclusion.
Question 2
(a) It is noted that 8% of Kaplan students are left handed. If twenty (20) students are randomly selected, calculate the i. probability that none of them are left-handed, ii. probability that at most 2 are left-handed, iii. mean and standard deviation for the number of left-handed students
(b) Do you agree that "if two events are mutually exclusive then these two events will be independent"? Why? Provide one business-related example each, with explanation, for mutually exclusive and independent events.
|
Proportion of commute distances in the sample
: Based on the histogram, find the proportion of commute distances in the sample that are at least 16 miles. Write your answer as a decimal, and do not round your answer.
|
|
Recorded a total deferred tax asset
: Cinnamon, Inc. recorded a total deferred tax asset in 2007 of $12,301, off set by a $12,301 valuation allowance. Cinnamon most likely: A. fully utilized the deferred tax asset in 2007.
|
|
Annual budget for a certain company
: The pie chart below shows how the annual budget for a certain company is divided by department. If the total budget is 125,000,000, what amount is budgeted for Support, Sales, and Media combined?
|
|
When will the power plant come on-line with 90% probability
: The utility company would like to apply for a permit to operate the facility three years after award of the contract. What is the probability the plant will be on-line on time?
|
|
Stem-and-leaf display in a report
: (i) Construct a stem-and-leaf display (ii) Supposedly you are inserting the above stem-and-leaf display in a report to be submitted to management, write a short comment on the diagram.
|
|
Calculate the cpi and spi
: Calculate the CPI and SPI and explain the message they give the program manager.
|
|
Calculate sv cv cpii and spi. what does this tell you
: The work package manager estimates a value completed of $81,000. Calculate SV, CV, CPI, and SPI. What does this tell you?
|
|
Mean cost for the current production method
: Suppose a new production method will be implemented if a hypothesis test supports the conclusion that the new method reduces the mean operating cost per hour. a. State the appropriate null and alternative hypotheses if the mean cost for the current..
|
|
Probability that at least one of the eggs is contaminated
: If Salmonella contamination occurs independently in egg cartons, and we should make a "three-egg omelet", what is the probability that at least one of the eggs is contaminated with Salmonella?
|