1. Consider the system of linear equations shown below. 3a 23 + 5y = 14 a-B=-1 2a + 4y = 14 a) By hand, solve for the unknowns a, ß, and y using Cramer's rule or the method of your choice.

Q: Please choose a, b, or c for this problem.

A:

Q: I just need problem 2

A: 1. Pr(A') = 1 - Pr(A) = 1 - 0.7 = 0.3 Pr(B') = 1 - Pr(B) = 1 - 0.5 = 0.5 Pr(C') = 1 - Pr(C) = 1 -…

Q: 2. Use the data in Problem the treatments into one sample of size n = 250. Use the pooled data to…

A: The test is to be conducted to check whether the distribution is normal or not. The hypotheses are…

Q: Can you show me the calculations to this question?

A: We have to explain the calculation. Antonio buy games on Black Friday or Cyber Monday?   The…

Q: What is the LCD of 17/6x, 11/3x+3

A:

Q: d. What is the value for the margin of error for a 95% confidence interval? Give the 95% confidence…

A: Sorry! Since you have posted a question with multiple sub-parts, we will solve first three sub-parts…

Q: Needing help with problems 1a & 1b only

A:

Q: 7. Let f(t) be a smooth curve such that f'(t) #0 for all t. Then we can define the unit tangent…

A:

Q: Thank you.  I had some trouble understanding some of your writing and it would have been more…

A: Please find the explanation below. Thank you

Q: I have a few questions for some problems

A: These are the given triangles  ABC and PQR

Q: Could this be simplified any more?

A: The given polar equation:

Q: Can you help with this practice problem

A:

Q: s question in R programming

A: The n trials and x successes The binomial distribution is given as: p(x) = nx px qn-x q = 1-p n = 25…

Q: I was trying to solve chapter 1 section 1.2 CP6. I saw the explanation but I was confused to why…

A: Given that, the equation is

Q: Step 2 is worded in a confusing way. Please clarify how Xt and Xt-1 are not iid.

A:

Q: not using excel can this problem be solved?

A: The mean is $31,000, standard deviation is $3000.

Q: I am confused on the chart on step 2 as to what formula you used. I can't read the last row for…

A: Given, x y 0 160 5 163.75 10 175 15 193.75 20 220 25 253.75 30 295 35 343.75…

Q: an more work be shown on how to solve this

A: By using a scalar projection to find the shortest distance from the point 1,-2, 5to the plane given…

Q: 3. Below is the graph of y=f(x), which is the derivative for some function f. Using the graph of the…

A:

Q: How could I complete a problem like this without using excel?

A: Given that We have to find z score that divide a normal distribution The middle 25% from the 75% in…

Q: I need help on this practice problem.

A:

Q: The figure below shows that 4 one-inch segments are needed to make a 1 × 1 square, 12 one-inch…

A: 1×1 square require 4 one inch  segments 2×2 square require 12 one inch  segments 3×3 square requires…

Q: can you break it down into a simpler example

A: The following is the original question: give an example of one equation that satifies all of the…

Q: How do you do these calculations without using excel?

A: Given data…

Q: could whomever is helping me with this problem write a little bit more neatly?

A:

Q: How could you plug the equation above into a calculator and get the same answer?

A: f(x) = log7 (6x4 +3)5We have to  find derivative of function f(x),we can use the chain rule, The…