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The average life of Canadian women is 73.75 years and standard deviation of women's life expectancy in Canada is 6.5 years. Find out the minimum percentage of women in Canada whose life expectancy i
For sample data provided below, find out the mean, median, mode, range, standard deviation, variance, mean absolute deviation, and IQR. Then draw or plot box plot for such data and comment on skewne
Convert 60 sample observations above to grouped data by means of frequency distribution. Let the first class be 10 < 30 and keep the class width at 20. Disregard the 2k Rule for finding the
The clean-up crew of medium-sized firm has an average clean-up time of 72.0 total hours with variance of 64 hours squared. The clean-up times are bell-shaped. What proportion of time will it take th
There're 1800 students in School of Business Administration. There're four majors in School: Make a percent frequency distribution and make the bar chart and a pie chart.
The verbal SAT scores of the incoming home-state first years (X) and out of state first years (Y) are approximately normally distributed. In last academic year the mean verbal score for the home-sta
Assume we draw two independent random samples, one comprising of 25 in-state first years and other consisting of 25 out-of-state first years. What is the probability that the sample mean score for&n
In the survey of college students, 880 said that they've cheated on an exam and 1721 said that they've not. If one college student is selected at random, find out the probability that the student h
The distribution of blood types for 100 Americans is listed in table. If one donor is selected at random, find out the probability of selecting the person with blood type A+ or A-.
Find out the probability of randomly selecting the person graduating with Master's degree who did not major in Education. Round your answer to three decimal places.
Categorize the events as dependent or independent. The events of getting two aces when two cards are drawn from the deck of playing cards and first card is not replaced before second card is drawn.
If the student is selected at random, find out the probability that he or she is a sophomore and owns a credit card. Round your answer to three decimal places.
You're dealt two cards successively without replacement from the standard deck of 52 playing cards. Find out the probability that the first card is a two and the second card is a ten. Round your a
Find out the probability of getting four consecutive aces when four cards are drawn without replacement from the standard deck of 52 playing cards.
If a student is chosen at random, find out the probability of getting someone who is the regular or heavy smoker. Round your answer to three decimal places.
Find out the probability that the randomly selected student with a Master's degree majored in English or mathematics? Round your answer to three decimal places.
Find out the probability that the randomly selected student with the Master's degree majored in English or mathematics? Round your answer to three decimal places.
The access code to the house's security system comprises of seven digits. How many different codes are available if each digit can be repeated?
A sample of 25 concession stand buys at the October 22 matinee of Bride of Chucky showed the mean purchase of $5.29 with the standard deviation of $3.02. For the October 26 evening showing of same m
The Environmental Protection Agency should visit nine factories for companies of air pollution. In how many different manners can a representative visit five of these to investigate this week?
A certain code is a sequence of 6 digits. Find out the probability of generating six digits and getting the code consisting of 1, 2, 3, ..., 6 if each digit can be repeated?
In the bumper test, three kinds of autos were deliberately crashed in the barrier at five mph, and the resulting damage (in dollars) was estimated. Five test vehicles of each and every type were cra
According to American Express, it is hypothesized that average American has traveled to 8.4 states. WGN-TV felt this information was wrong. They did the survey of 22 Chicago area residents and found
Determine the variables of Q37, Q42, Mtotal, and Atotal as continuous or categorical. Report measures of central tendency (Mean and Median) and variability (Variance and Sta
You're the manager of restaurant which delivers pizza to college dormitory rooms. You've just changed your delivery process in the effort to reduce the mean time between order and completion of deli