The average number of accidents at controlled intersections per year is 4.3. Is this average less for intersections with cameras installed? The 41 randomly observed intersections with cameras installed had an average of 4.2 accidents per year and the standard deviation was 1.01. What can be concluded at the a = 0.05 level of significance? a. For this study, we should use Select an answer b. The null and alternative hypotheses would be: Но: Select an answer H1: Select an answer c. The test statistic ? (please show your answer to 3 decimal places.) d. The p-value (Please show your answer to 4 decimal places.) =

Q: 2x+3y < 12

A: Given,          2x+3y&lt;12

Q: Solve: 4. = 4 6. 3

A: find the value of x

Q: Solve by elimination: 2x + y = -3   x-y= -9

A: we are given two equations  2x+y=-3x-y=-9

Q: Solve

A:

Q: olve by completing the Square x+3=

A:

Q: Solve the equation 14=3y

A:

Q: Solve for a: a2+b2=c2

A: Given that: a2+b2=c2

Q: Solve A= 2BC+ 2BD for B. B =

A: Let,  ax+b=c This gives, x=(c-b) /a is the required solution for x.

Q: Use logs to solve 6e3n-4+4 = -69

A:

Q: T. 2.x+ 15 U x+15 Work & answer:

A: Ise the equal opposite sides property for parallelogram.

Q: Solve the equation P=a+b+c for b.

A: Given that, The equation is P=a + b + c

Equations and Inequations

Equations and inequalities describe the relationship between two mathematical expressions.

Linear Functions

A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.