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Use loops to create a 3 x 5 matrix in which the value of each element is the difference between the indices divided by the sum of its indices (the row number and column number of the element). For example, the value of the element (2,5) is (2-5) / (2+5) = -0.4286
2. Write the program indicated in the problem and use it to solve the following equations:
a) -2x^2 + 16x - 32 = 0
b) 8x^2 + 9x + 3 = 0
c) 3x^2 + 5x - 6 = 0
NOTE: Instead of asking the user to input the coefficients, create a 3x3 matrix containing the data with each row corresponding to a problem. Then use a loop to execute the problem 3 times, using the appropriate row each time.
What is the approximate probability that the mean score X of these students is 23 or higher? D) Which of your two normal probability calculations in (a) and (c) is more accurate? Why?
Class of 22 obtains a mean of 92 and a standard deviation of 4. Is he correct in assuming that the performance of the most recent class is significantly better than that of other classes?
What is the probability that their average lifetime would be less than 510 hours? Use your calculator to solve this problem and give your answer as a number between 0 and 1, rounded to 3 decimal places.
let x and s2 be the mean and variance of a random sample size n16 from the normal distribution nu gamma2a find d using
For a semester project, a student was interested in determining the average weight gain of college students during their freshman year
At the .01 significance level can we conclude the mean age is more than 8.4 years for the cars of university students? Compute the value of the test statistic.
A researcher wanted to invetigate whether there is a significant difference in the average age of instructors, assistant professors, assocated professors and full professors at a university. The faculty was selected at random and their ages were r..
Fip it 20 times and if it lands heads 17 times or more then the referee will designate that coin as the weighted one. a) If the coin the referee selects is fair, what is the probability that it gets designated as being weighted?
Design a calculator simulation to estimate the probability described in (a). Describe your simulation method clearly enough so that a classmate could carry it out without further explanation from you.
Your task is to interview a representative sample of attendees for the large concert venue where you work. The new season includes 200 live concerts featuring all types of musicians and musical groups.
Effective on 80% of women and 65% of men. it is known that 66% of the people who take drug are women. That is the probability that the drug is effective?
A medical team wants to determine which form of mastectomy is most effective for prolonging life for women with breast cancer: radical mastectomy (removal of breast, chest muscles, and lymph nodes), simple mastectomy (removal of the breast only).
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