Determine whether the table represents a discrete probablity distribution. Explain why or why not. P(4) 60 0.1 70 0.1 80 0.1 90 0.1 100 0.1
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- For the standard normal distribution, find the z-scores that enclose the middle 92% of the data. a. (-1.34, 1.34) b. (-2.03, 2.03) c. (-1.75, 1.75) d. (-1.04, 1.04)K Listed below are the amounts (dollars) it costs for marriage proposal packages at different baseball stadiums. Find the range, variance, and standard deviation for the given sample data. Include appropriate units in the results. Are there any outliers, and are they likely to have much of an effect on the measures of variation? 38 50 50 65 65 85 90 170 190 200 255 300 400 1500 3000 eThe degrees of freedom determine the _____ the t distribution? a. mean of b. variance of c. shape of d. range of
- Find the mean of the distribution shown below. 3 P(X) 0.21 0.07 0.58 0.14 6.23 O 0.25 O 24The grade point averages (GPA) for 12 randomly selected college students are shown on the right. Complete parts (a) through (c) below. Assume the population is normally distributed. 2.4 3.4 2.7 1.8 0.9 4.0 2.2 1.1 3.6 0.4 2.1 3.1 (a) Find the sample mean. x=_____ (Round to two decimal places as needed.) (b) Find the sample standard deviation. s=_____ (Round to two decimal places as needed.) (c) Construct a 90% confidence interval for the population mean μ. A 90% confidence interval for the population mean is (__, __) (Round to two decimal places as needed.)The number of cartoons watched by Ms. Smith’s class on Saturday morning is shown below. What is the mean of distribution? Answer to nearest hundredths place.
- K In basketball, the top free throw shooters usually have a probability of about 0.90 of making any given free throw. Over the course of a season, one such player shoots 460 free throws. a. Find the mean and standard deviation of the probability distribution of the number of free throws he makes. b. By the normal distribution approximation, within what range would the number of free throws made almost certainly fall? Why? c. Within what range would the proportion made be expected to fall? a. Find the mean and standard deviation of the probability distribution of the number of free throws he makes. μ= 414 (Type an integer or a decimal.) G= (Round to three decimal places as needed.) n example Get more help. tv H MacBook Air F6 & AA F7 U DII FB K Clear all A Check answer L P ជថា chance of winning it, and the outcomes of the three probabilities. U lable on an online hing it, and the outcomes of F12Consider the data set given below. Data Table x1 x2 x3 y1 50 25 50 y2 30 15 50 C) Construct a conditional distribution by x. x1 x2 x3 y1 ____ ____ _____ y2 ____ ____ _____ total 1 1 1K The numbers of regular season wins for 10 football teams in a given season are given below. Determine the range, mean, variance, and standard deviation of the population data set. 2, 10, 15, 4, 12, 9, 13, 10, 5, 7 The range is 13. (Simplify your answer.) The population mean is 8.7. (Simplify your answer. Round to the nearest tenth as needed.) The population variance is (Simplify your answer. Round to the nearest tenth as needed.)
- 2b pleaseThe grade point averages (GPA) for 12 randomly selected college students are shown on the right. Complete parts (a) through (c) below. Assume the population is normally distributed. (a) Find the sample mean. x=(Round to two decimal places as needed.) Clear all 2.3 3.1 2.9 1.6 0.9 4.0 2.4 1.3 3.6 0.1 2.4 3.3 E € 413 PMCould you help in the process please
