Example 3.17. Suppose you are working on a ten-digit keypad to open a door. You know the combination is exactly three digits long. 1. How many choices are there if you may use a number multiple times and the order matters? 2. How many choices are there if you may not use a number multiple times and the order matters? 3. How many choices are there if you may not use a number multiple times and the order does not matter?

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Q: 15 6. A=D

A: here one triangle and one rectangle is connect  and triangle is right angle triangle  here other…

Q: Number 2

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Q: Number 2 not 3

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Q: 1. Compute the eigenvalues and eigenvectors of [2 ^=122 1^2=614=4 [ A₁ A3 -2 3] 4₂ 3 -5

A:

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A: From the given information,   Student Before After Absolute Difference Sign 1 430…

Q: Number 3

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Q: could you please write this on paper?

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Q: I need help with this

A: Compute the derivative of fx=x3 tanx+1sinx

Q: What about third one?

A:

Q: can i please see it written out?

A: Solution

Q: Could you further explain how you got this?

A: Given data :  n = 4 u = 35000 o = 5000 P(x > 40000) = ?

Q: -------

A: topic - unit circle

Q: Please help lol

A: b) c)

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.