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The probability that husband and wife will b alive after 20 years from now is 0.8 and 0.9 respectively.find the probability that in 20 years time 1. both will b alive 2. neither of them will b alive 3. atleast one of them will be alive?
you start with scatterplots and correlation before regression; scatterplots need to be much more refined to be of use; so, you have a relationship - how much of the variation does the model explain and what are the practical conclusions?
You own a small tea company, Sweet Leaf, NASDQ ticker symbol LEAF. You are looking at marketing costs versus benefits. Your production manager says it doesn't matter which tea you produce
You are the production manager of a company. Parachutes are woven in your factory using a synthetic fiber purchased from one of four different suppliers. The most important outcome for parachutes is strength of the fabric.
Assuming that Mendel's proportion of 3/4 is correct, find the probability of getting 787 or fewer plants with long stems among 1064 offspring plants. compare answers with binomial and normal approximation.
Find out optimal assignment and calculate total minimum cost.
If you were to draw a scatter plot of the number of women in the workforce versus the number of Christmas trees sold in the United States for each year between 1930 and the present
A standard slot machine has three reels. The first reel has 3 walnuts, 7 cherries, 3 oranges, 5 lemons, 1 bell, and 1 jackpot bar. The second reel has 7 cherries, 6 oranges, 1 lemon, 3 bells, and 3 bars. The third reel has 4 walnuts, 7 oranges, 5 ..
The manager of the greeting card section of Mazey's department store is considering her order for a particular line of Christmas Cards. Develop the payoff table for this decision situations.
Standard deviation of 30 lb. Find the percentage of such weights between 190 lbs and 225 lbs. among 400 men aged 18 to 74, how many are expected to weigh between 190 lbs and 225 lb.
If a random student is chosen what is the probability that he or she scores less than 59? What score indicates that the student has to retake the exam?
In a random sample of 512 parents with young children, 275 admitted to spanking their child as a regular form of punishment. Use the classical approach, at a 10% level of significance, to test the sociologist's claim.
Sketch the appropriate distribution, and locate the critical region for a = 0.05.
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