A jar contains 4 pennies, 6 nickels and 6 dimes. A child selects 2 coins at random without replacement from the jar. Let X represent the amount in cents of the selected coins. Find the probability X = 10. Find the probability X = 11. Find the expected value of X.

Q: 28. Scores on a test of reading ability for second graders are normally distributed with a mean of…

A: Given: PZ<z=0.15. Now, look for value 0.15 in the left tailed z-table or the value closer to it.

Q: Please give me the answer again.

A:

Q: Please show all steps and explain!

A: According to our guidelines we can answer only three subparts, or first question and rest can be…

Q: Sorry I do not understand the typing , could you write it out on paper?

A: Note:  As per your requirement, i answered here in handwritten on papar.

Q: Working is needed for this question.

A: Fact :- Two regions are adjacent if they share a common border.

Q: 6) Find f'(-2) for each of the following functions.

A:

Q: help me with b and c too please

A: The given equatons are b) c)

Q: Let f be the exponential function defined by (2+2) f(2) = () and determine the folloving information…

A:

Q: A -1 =

A: We have to find the inverse of given matrix.

Q: Let X be the discrete random variable with the probability function f (x) = kx³ + 0.15 %3D for x =…

A:

Q: Clarify step 2

A: Given Information: Sample size n=1032Sample proportion pˆ=73%=0.73Margin of error E=3.9%=0.039

Q: where did you get the service time from

A: The service times for each customer in the simulation are determined by using the frequencies given…

Q: 14. For f(x) = x' – 6x² +9x , identify the critical points and inflection points A) Critical Points:…

A: Dear student, Since you have posted two questions, as per our policy we will answer first question.…

Q: can you write it on a paper or make it clear

A: Apologies for the inconvenience. If you do not see the math expressions properly, then please…