A manufacturer knows that their items have a normally distributed length, with a mean of 5.9 inches, andstandard deviation of 1.7 inches.If one item is chosen at random, what is the probability that it is less than 7 inches long?0.7412> Next Question

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MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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In a certain country, the true probability of a baby being a girl is 0.474. Among the next nine randomly selected births in the country, what is the probability that at least one of them is a boy? The probability is (Round to three decimal places as needed.) View an example Get more help. Z F2 2 I W S #3 X H command 80 F3 E D $ 4 C Q F4 R F 07 20 % 5 V ↓ F5 T G ↓ 6 MacBook Air B F6 I' Y H & 7 F7 U N √₁ V 1, (0,8) More * 00 J DII FB - ( 9 DI M F9 K 0 I H 26 ) 0 L A F10 P > Clear all - *. .. F11 { I command option [ + = ? 1 11 I Check answer F12 } x delete I ]
In the table below x denotes the X-Tract Company’s projected annual profit (in $1,000). The table also shows the probability of earning that profit. The negative value indicates a loss. x f(x) x = profit -100 0.01 f(x) = probability -200 0.04 0 100 0.26 200 0.54 300 0.05 400 0.02 14 If we quadruple each value in the profit column above, the new variance of profit will be. a 187,136 b 183,467 c 179,870 d 46,784
In the table below x denotes the X-Tract Company’s projected annual profit (in $1,000). The table also shows the probability of earning that profit. The negative value indicates a loss. x f(x) x = profit -100 0.01 f(x) = probability -200 0.04 0 100 0.26 200 0.54 300 0.05 400 0.02 6 The probability that X-Tract will break even is, f(x = 0) = ________. a 0.06 b 0.07 c 0.08 d 0.09
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K 7 The probability that a bachelor's degree recipient in 2014 majored in biology is 20 Set-up an equation to find the odds of the event occurring. P(E) P (E') 20 20 (Type whole numbers.) .. 6 The odds of a bachelor's degree recipient in 2014 majoring in biology occurring are (Type whole numbers.) Find the odds of the event occurring. to
You are collecting donations for a charity. Each donor gives you $10 with probability half and $20 with probability half. Assuming donors are independent, use Central Limit Theorem to estimate the probability that you have collected at least $1400 after taking in 100 donations.
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Find the probability P(not E) if P(E)= 0.38. The probability P(hot E) is (Simplify your answer.)
Complete solution
Consider the joint pmf p(x,y) and marginal pmfs p(x) and p(y) for two discrete random variables X and Y as displayed in the table below. X p(x,y) 1 2 3 p(y) 1 0.125 0.0625 0.1875 0.125 0.5 Y 2 0.0625 0.0625 0.125 0.25 0.5 p(x) 0.1875 0.125 0.3125 0.375 1
Charlie is about to take two laps in the school swimming pool. The time of his first lap is X minutes, where X is an Exponential(1) random variable. The time of his second lap is Y minutes, where Y is an Exponential(X) random variable. What is the probability that he completes his second lap within one minute?
U= 50 and o = 4 what is probability that x >43

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