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- Show Consider the following hypothetical situation. Grade data indicat4es that on the average 27% of the students in senior engineering classes have received A grades. From past data we have measured a standard deviation of 15%. We would like to model the proportion X of A grades with a beta distribution. a. Please also provide the values of theparameters. b. Use the distribution in (a) to find the probability that more than 32% of the students had an A.Please explain:Use your calculator to calculate the following. (P(X > 7), X has an F-distribution with 5 numerator df and 10 denominator df. P(3 < X < 15), X has an F-distribution with 5 numerator df and 10 denominator df.The following table shows the hot dogs bought from a street vendor over the course of eight days ("Demand"). Also shown is the temperature for each day in degrees Celsius. Temperature (°C) 22 12 22 18 7 14 18 21 Demand 47 28 36 41 16 25 41 33 R2=0.719 Calculate the test statistic. F= (Round to two decimal places as needed.)
- Number 2The time (in minutes) it takes Greg to complete a homework problem is uniformly distributed (continuously) on the interval (15, 28). What is the standard deviation of the time it takes to complete a homework problem?Let X-T(4) and Y~ x2 (4). The following plot depicts the cumulative distribution functions of X and Y. We don't know which is which. The horizontal lines have values 25% and 75%. We denote by q1 the x-coordinate correponding to the red point and by q2 the x-coordinate corresponding to the blue point. Which of the following statements are true? 1.00 - 0.75 0.50 - 0.25+ 0.00 - The answer is : The cdf of X corresponds to the red curve while the one of Y corresponds to the blue curve. Can you explain why? Density
- (a) Consider a t distribution with 10 degrees of freedom. Compute P (tz -1.94). Round your answer to at least three decimal places. P(t2 - 1.94) = | (b) Consider a t distribution with 26 degrees of freedom. Find the value of c such that P (-cT12esc A T option :9: F1 Use the ALEKS calculator to solve the following problems. N (a) Consider a t distribution with 9 degrees of freedom. Compute P(-1.15A random number generator picks a number from 9 to 62 in a uniform manner. Round answers to 4 decimal places when possible. E. The probability that the number will be larger than 31 is P(x > 31) = F. P(x > 13 | x < 60) = G. Find the 36th percentile. H. Find the maximum for the lower quartile.R3Consider a t distribution with 13 degrees of freedom. Compute P(-1.75<t<1.75). Round answer to at least 3 decimal places. p(-1.75<t<1.75)= Consider a t distribution with 14 degrees of freedom. Find the value of c such that P(t is greater than or equal to c)=0.10. Round answer to at least 3 decimal places. c=SEE MORE QUESTIONSRecommended textbooks for youMATLAB: An Introduction with ApplicationsStatisticsISBN:9781119256830Author:Amos GilatPublisher:John Wiley & Sons IncProbability and Statistics for Engineering and th…StatisticsISBN:9781305251809Author:Jay L. DevorePublisher:Cengage LearningStatistics for The Behavioral Sciences (MindTap C…StatisticsISBN:9781305504912Author:Frederick J Gravetter, Larry B. WallnauPublisher:Cengage LearningElementary Statistics: Picturing the World (7th E…StatisticsISBN:9780134683416Author:Ron Larson, Betsy FarberPublisher:PEARSONThe Basic Practice of StatisticsStatisticsISBN:9781319042578Author:David S. Moore, William I. Notz, Michael A. FlignerPublisher:W. H. FreemanIntroduction to the Practice of StatisticsStatisticsISBN:9781319013387Author:David S. Moore, George P. McCabe, Bruce A. CraigPublisher:W. H. FreemanMATLAB: An Introduction with ApplicationsStatisticsISBN:9781119256830Author:Amos GilatPublisher:John Wiley & Sons IncProbability and Statistics for Engineering and th…StatisticsISBN:9781305251809Author:Jay L. DevorePublisher:Cengage LearningStatistics for The Behavioral Sciences (MindTap C…StatisticsISBN:9781305504912Author:Frederick J Gravetter, Larry B. WallnauPublisher:Cengage LearningElementary Statistics: Picturing the World (7th E…StatisticsISBN:9780134683416Author:Ron Larson, Betsy FarberPublisher:PEARSONThe Basic Practice of StatisticsStatisticsISBN:9781319042578Author:David S. Moore, William I. Notz, Michael A. FlignerPublisher:W. H. FreemanIntroduction to the Practice of StatisticsStatisticsISBN:9781319013387Author:David S. Moore, George P. McCabe, Bruce A. CraigPublisher:W. H. Freeman