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Normal distribution: Problem 10 Previous Problem ListNext (1 point) College students average 7.2 hours of sleep...
(1 point) College students average 7.2 hours of sleep per night with a standard deviation of...
(1 point) College students average 7.2 hours of sleep per night with a standard deviation of 35 minutes. If the amount of sleep is normally distributed, what proportion of college students sleep for more than 8 hours? Proportion =
College students average 7.8 hours of sleep per night with a standard deviation of 45 minutes
College students average 7.8 hours of sleep per night with a standard deviation of 45 minutes. If the amount of sleep is normally distributed, what proportion of college students sleep for more than 9 hours?
W6: Problem 8 Previous Problem ListNext (1 point) a) Find the present value of an annuity-immediate...
W6: Problem 8 Previous Problem ListNext (1 point) a) Find the present value of an annuity-immediate which pays 1 at the end of each half-year for 9 years, if the rate of interest is 72% convertible semiannually for the first 5 years and 11.3% convertible semiannually for the last 4 years ANSWER (round off to three decimal digits): b) Find the present value of an annuity-immediate which pays 1 at the end of each half-year for 9 years, if all...
webwortorwin-stat200-spring202fecture184 Logg Lecture18: Problem 24 Previous Problem List Next (1 point) The length of time to...
webwortorwin-stat200-spring202fecture184 Logg Lecture18: Problem 24 Previous Problem List Next (1 point) The length of time to complete a door assembly on an automobile factory assembly line is normally distributed with mean j = 7 minutes and standard deviation o = 2.5 minutes. Samples of size 120 are taken. What is the mean value for the sampling distribution of the sample means? Note: You can get a new version of this problem after the due date. Preview My Answers Submit Answers...
EaBetweenCurves: Problem 2 evious Problem ListNext point) Find the area of the region enclosed be...
eaBetweenCurves: Problem 2 evious Problem ListNext point) Find the area of the region enclosed between y 3 sin(r) and y 2 int: Notice that this region consists of two parts. cos Preview My Answers Submit Answers u have attempted this problem 4 times. our overall recorded score is 0%. ou have unlimited attempts remaining. Email instructor Page generated at 03/30/2019 at 09 57am EDr WeßWork O 1996-2016 / theme: hope / ww version: 2.12/pg version 2.121 The WeBWorK
eaBetweenCurves: Problem...
Entered Answer Preview Result -3.83 -3.83 incorrect The answer above is NOT correct (1 point) College...
Entered Answer Preview Result -3.83 -3.83 incorrect The answer above is NOT correct (1 point) College students average 7.4 hours of sleep per night with a standard deviation of 40 minutes If the amount of sleep is normally distributed, what proportion of college students sleep for more than 8.5 hours? Proportion -3.83
HW 15: Problem 14 Previous Problem ListNext (1 point) Find a quadratic equation for a function...
HW 15: Problem 14 Previous Problem ListNext (1 point) Find a quadratic equation for a function y-f(x) which crosses the x-axis at x = 5 and x = 6, and which oosses the y-axis at y =-60. f(x)- E help (formulas Preview My Answers Submit Answers You have attempted this problem 0 times. You have 6 attempts remaining. Emal instructor
11.ExponentialDistribution 1: Problem 4 Previous Problem Problem List Next Problem (1 point) Suppose that the time...
11.ExponentialDistribution 1: Problem 4 Previous Problem Problem List Next Problem (1 point) Suppose that the time (in hours) required to repair a machine is an exponentially distributed random variable with parameter 1-0.6. What is (a) the probability that a repair takes less than 4 hours? (b) the conditional probability that a repair takes at least 10 hours, given that it takes more than 9 hours? Note: You can earn partial credit on this problem. Preview My Answers Submit Answers You...
The distribution of hours of sleep per week night, among college students, is found to be...
The distribution of hours of sleep per week night, among college students, is found to be Normally distributed, with a mean of 6.5 hours and a standard deviation of 1 hour. What range contains the middle 95% of hours slept per week night by college students (a) 5.5 and 7.5 hours per week night (b) 4.5 and 7.5 hours per week night (c) 4.5 and 8.5 hours per week night 3.19
2-Higher-Order-Equations 02-Linear-2nd- Equations-Complex-Roots: Problem 5 Previous ProblemProblem ListNext Problem (1 point) Find y as a function...
2-Higher-Order-Equations 02-Linear-2nd- Equations-Complex-Roots: Problem 5 Previous ProblemProblem ListNext Problem (1 point) Find y as a function of t if 100y" +80y' +16y 0, y(0)-3, y'(0) 2 Preview My Answers Submit Answers You have attempted this problem 0 times You have unlimited attempts remaining
(1 point) College students average 7.2 hours of sleep per night with a standard deviation of 35 minutes. If the amount of sleep is normally distributed, what proportion of college students sleep for more than 8 hours? Proportion =
W6: Problem 8 Previous Problem ListNext (1 point) a) Find the present value of an annuity-immediate which pays 1 at the end of each half-year for 9 years, if the rate of interest is 72% convertible semiannually for the first 5 years and 11.3% convertible semiannually for the last 4 years ANSWER (round off to three decimal digits): b) Find the present value of an annuity-immediate which pays 1 at the end of each half-year for 9 years, if all...
webwortorwin-stat200-spring202fecture184 Logg Lecture18: Problem 24 Previous Problem List Next (1 point) The length of time to complete a door assembly on an automobile factory assembly line is normally distributed with mean j = 7 minutes and standard deviation o = 2.5 minutes. Samples of size 120 are taken. What is the mean value for the sampling distribution of the sample means? Note: You can get a new version of this problem after the due date. Preview My Answers Submit Answers...
eaBetweenCurves: Problem 2 evious Problem ListNext point) Find the area of the region enclosed between y 3 sin(r) and y 2 int: Notice that this region consists of two parts. cos Preview My Answers Submit Answers u have attempted this problem 4 times. our overall recorded score is 0%. ou have unlimited attempts remaining. Email instructor Page generated at 03/30/2019 at 09 57am EDr WeßWork O 1996-2016 / theme: hope / ww version: 2.12/pg version 2.121 The WeBWorK
eaBetweenCurves: Problem...
Entered Answer Preview Result -3.83 -3.83 incorrect The answer above is NOT correct (1 point) College students average 7.4 hours of sleep per night with a standard deviation of 40 minutes If the amount of sleep is normally distributed, what proportion of college students sleep for more than 8.5 hours? Proportion -3.83
HW 15: Problem 14 Previous Problem ListNext (1 point) Find a quadratic equation for a function y-f(x) which crosses the x-axis at x = 5 and x = 6, and which oosses the y-axis at y =-60. f(x)- E help (formulas Preview My Answers Submit Answers You have attempted this problem 0 times. You have 6 attempts remaining. Emal instructor
11.ExponentialDistribution 1: Problem 4 Previous Problem Problem List Next Problem (1 point) Suppose that the time (in hours) required to repair a machine is an exponentially distributed random variable with parameter 1-0.6. What is (a) the probability that a repair takes less than 4 hours? (b) the conditional probability that a repair takes at least 10 hours, given that it takes more than 9 hours? Note: You can earn partial credit on this problem. Preview My Answers Submit Answers You...
The distribution of hours of sleep per week night, among college students, is found to be Normally distributed, with a mean of 6.5 hours and a standard deviation of 1 hour. What range contains the middle 95% of hours slept per week night by college students (a) 5.5 and 7.5 hours per week night (b) 4.5 and 7.5 hours per week night (c) 4.5 and 8.5 hours per week night 3.19
2-Higher-Order-Equations 02-Linear-2nd- Equations-Complex-Roots: Problem 5 Previous ProblemProblem ListNext Problem (1 point) Find y as a function of t if 100y" +80y' +16y 0, y(0)-3, y'(0) 2 Preview My Answers Submit Answers You have attempted this problem 0 times You have unlimited attempts remaining
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