is) Week 4 Homework (Graded Assignment)-Lauren LaTour 13. The histogram shows th

Question

is) Week 4 Homework (Graded Assignment)-Lauren LaTour 13. The histogram shows the distribution of stops for red traffic lights a commuter must Page 5 ol pass through on her way to work. Use the histogram to find the mean, variance, standard deviation, and expected value of the probability distribution 0.4 0.30 0.20- 0.33 0.24 0.15 0.14 0.11 0 123 4 5 The mean is Round to two decimal places as needed.) The variance is (Round to four decimal places as needed.) The standard deviation is Round to four decimal places as needed,) The expected value is (Round to two decimal places as needed.) of winning. If the metal 14. In the game of roulette, a player can place a $10 bet on the number 30 and have a e probability d an additional $350

Explanation / Answer

from above:

mean =2.46

variance =1.8484

std deviation=1.3596

expected value =mean =2.46

please revert for any clarifiation required

x p(x) xP(x) x2P(X) (x-)2 (x-)2P(x) 0 0.0300 0.000 0.000 6.052 0.182 1 0.2400 0.240 0.240 2.132 0.512 2 0.3300 0.660 1.320 0.212 0.070 3 0.1500 0.450 1.350 0.292 0.044 4 0.1400 0.560 2.240 2.372 0.332 5 0.1100 0.550 2.750 6.452 0.710 total 1 = 2.46 7.900 17.510 2= 1.8484 std deviation=     =    2 = 1.3596

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