Suppose X has an exponential distribution with mean equal to 12. Determine the following: (a) P(X > 10) (Round your answer to 3 decimal places.) (b) P(X > 20) (Round your answer to 3 decimal places.) (c) P(X < 30) (Round your answer to 3 decimal places.) (d) Find the value of x such that P(X < 0.95. (Round your answer to 2 decimal places.) (a) i (b) i (d)

Q: The mean was given to be  ? = 11  and  x0 was determined to be 11. Substitute these values into the…

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Q: =x²³x²+x your answer to 2 decimal places. * Find the mean value of y = Over the range - 1<x<1, and…

A: To find the mean value of given function

Q: 2.8 S = | f(x)dx =?

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Q: P(Z > 0.98)=

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Q: A student added 3/4 and 1/2 and obtained 4/6 as an answer. How would you use estimation to show the…

A: Now, the student added 34with 12 to obtain 46 as the answer. We know that, 34+12=1×3+2×14=3+24=54…

Q: P(z>-1.80)=

A: Given : z=-1.80

Q: ween z= 1.42 and z= 2.17

A: The required area between the z= 1.42 and z= 2.17 can be found by using the standard normal table.…

Q: P(z < 2.56) =

A: Draw the graph that represents the area to the left of the normal curve.

Q: Find the mean value of y = x² - 7 over the range -2 < x < 2, and enter your answer as a decimal in…

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Q: José makes a score of 70 on an exam (e.g., his "little x" = 70). Suppose that the percentile…

A: Given information Jose makes a score of 70 on an exam, his percentile is 70th So, it means 70% of…

Q: P(1.15 < Z < 2.77) =

A: X~N( 0 , 1 )   μ=0 , ?=1 (for standard normal distribution)   Z-score =( x - μ )/?

Q: Commuting distances for employees of a large steel fabricating facility are believed to follow an…

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Q: The arithmetic mean of the X series is X̅ = 125. The arithmetic mean of the A series is X̅A = 32.…

A: Given that, Arithmetic mean of X, E(X)= x̄ = 125 Arithmetic mean of A, E(A)=  A bar = 32 B is the…

Q: The mean time for the 100 yard dash for adolescents is 12.04 seconds (M = 12.04, s = 4.1). A runner…

A: Given :  The mean time for the 100 yard dash for adolescents is 12.04 seconds (M = 12.04, s = 4.1).…

Q: P( z>1.31) =

A: The value of Pz&gt;1.31 is, Pz&gt;1.31=1-Pz&lt;1.31 The probability of z less than 1.31 can be…

Q: find the go th deriva yive of Y= (08 3x

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Q: Find the t –value from 20 degrees of freedom with alfa = 10% in two tails

A: Given,degrees of freedom(df)=20α=0.1

Q: 3. Find the geometric mean between 8x and x²/2.

A: Given: The expressions are 8x and x32 To find the geometric mean between 8x and x32 If the geometric…

Q: A light fixture contains five lightbulbs. The lifetime of each bulb is exponentially distributed…

A: The objective of the question is to find the probabilities and mean of the lifetime of lightbulbs…

Q: A large automobile insurance company selected samples of single and married male policyholders and…

A: Given that: Single Policyholders: n1=440 Number making claims, x1 = 88 Married Policyholders: n2=840…

Q: For discrete random variables, one simple procedürê iš tõ list the probabilities of all pos- sible…

A: A probability distribution depicts the expected outcomes of possible values for a given…

Q: Between z= 0 and z= 3.18

A: we have to find the area Between z= 0 and z= 3.18

Q: Suppose the mean of Y is 99. What does the mean of X become if you multiply X by 1.37?  (Use two…

A: Given:  Mean of random variable xi is =99  If you multiply each xi by 1.37 then the new mean of x?

Q: A population of N=15 has a mean =8 one score in the population is changed from X=20 to X-5.What is…

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Q: Find P(A' and B) from the following. P(A)= 0.46, P(B)= 0.48 and P(A and B) = 0.21

A: Answer: Given that, P(A) = 0.46 P(B) = 0.48 P(A and B) = 0.21

Q: find Za/2 For a=0.13

A: Given:Significance level = 0.13

Q: P(Z>1.75) =

A: Let , Z is a standard normal distribution with mean 0 and var. 1 Then Z~N(0,1) Given that  P(Z &gt;…

Q: e equation of the exponential function that models a data set is = 6.8(1.03)* etermine the range of…

A: Given query is to find the range of the function.

Q: 20.28. The mean life of a sample of 10 electric bulbs was found to be 1456 hrs. With S.D.=423 hrs. A…

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Q: Assume x is exponentially distributed with a mean of 4. Find: a.P(X=2) b.P(X=2) d.P(2 < X < 4)

A: As per guidelines we are allowed to solve maximum of 3 subparts, Please repost the question if you…