You are a manager for a team of employees that uses a computer system as part of the process for completing a sale for a customer. You are investigating if it is worthwhile to make the switch to a new platform to increase monthly sales. You have 17 of your sales representatives use the new system, and 15 of your sales representatives use the old system. The sales representatives who received the new system had a mean monthly individual sales of $30,497, with a sample standard deviation of $3,846. The sales representatives who did not receive the new system had mean monthly individual sales of $28,647, with a sample standard deviation of $2,614. Using this information, you want create a 99% confidence for Hnew system Hold system. What is the lower limit of your confidence interval? NOTE: 1- The degree of freedom to use in your analysis is 28. 2- Only round your final answer. Round it to the nearest whole number. -5032 -1332 1216 5032 -1927

Q: Find || projau || if u = (2,4) and a = = (3,-1). NOTE: Enter the exact answer or round the exact…

A: projau=u.aa2a   For two vectors u=u1,u2 and a=a1,a2a.u=a1×u1+a2×u2   For any vector x=x1,x2x=x12+x22…

Q: please look at picture

A:

Q: curl(curl F)= grad(div F) - 2F

A:

Q: Find x.

A: Sum of exterior angle of a polygon is 360°.

Q: 4 (2+ VT)5 5. Calculate 0.

A:

Q: V27. V18 5/2 Simplify

A:

Q: 22 V2 V3

A:

Q: Find the value of x.

A:

Q: Describe how to differentiate implicitly.  Give an example along with your explanation.

A: Implicit differentiation is a special case where we use well known chain rules to find the…

Q: Show p V (p ^ r) is equivalent to p.

A: We have to show p∨p∧r. We will show this using truth table. p r p∧r p∨p∧r T T T T T F F T F…

Q: Find the value of x.

A:

Q: use x for the veriable  the difference of two times a number and five is eight

A: The given statement is “the difference of two times a number and five is eight”.

Q: Find the value of x.

A: We know that the exterior angle is equal to the sum of two opposite interior angle.