3. Using the z-table and t table, solve the following problems. a. Given a normal distribution with mean = 35 and standard deviation = 8, find the probability that X assumes a value i. less than 40 ii. between 30 and 40 iii. more than 55 b. Find the following values on the t-table: i.to.025 when v = 13. ii. to.99 when v=9. Find k such that P(k

Q: -9=x-4

A: -9 + 9 = x - 4 + 9

Q: 6x+7 = y

A: We have to find x

Q: %3D +29-2X -34 %3D

A:

Q: x + 5x-80 = 4

A:

Q: Find 8 + 10 + 12+...+324.

A:

Q: Y=2×+1 3×+2y=16

A: y=2x+1   ....(1)3x+2y=16 .....(2)Two equations with 2 variables are given;can be solved by…

Q: 6. Write the addition and multiplication tables for Z7.

A:

Q: x2+9x=-14

A: Given equation is x2+9x=-14 The equation can be solved by splitting the middle term.…

Q: When a hot object is placed in a water bath whose temperature is 25°C, it cools from 100°C to 50°C…

A:

Q: Evaluate 6y2, when y=3

A: We can find the answer as below using the following steps.

Q: Evaluate x2 + 5x, for x = 6.

A: x2+5x, x=6

Q: ц. 14 G - Сб 24

A: Here given 14*√6 - 6*√24

Q: Y=2x+5 and x=-3

A:

Q: Find a4 when a1 = 3 and r = - 2

A:

Q: 2x+5y=-4 -2x+3y=20

A: The given equations are 2x + 5y = –4 and –2x + 3y = 20. Add the given equations as follows. Thus,…

Q: Find 6x+y, when x=1 and y=7

A: Given: Find 6x+y, when x=1 and y=7

Q: Evaluate x2 - 6x + 3, for x = 7

A: We have to evaluate x2-6x+3 for x=7. Let Px=x2-6x+3 Now, at x=7 P7=72-6·7+3=49-42+3=52-42=10

Q: What is 5x +6x =

A: We need to add

Q: x2-5x+42=8x

A:

Q: Evaluate (4r +1) dr -2

A:

Q: Find SR 12 2x +1 5 + 4x

A:

Q: 10=2x+30

A: -10 would be correct answar.

Q: x2+9x=-14

A:

Q: 2x-4y=-22 2x-3y=-19

A:

Q: x2+16x=?

A: factorization of quadratic

Q: why is the one on the left? and why does it go after 2 instead of 3?

A:

Q: Make the addition table for ℤ6.

A: Elements of Z6 = {0,1,2,3,4,5}

Q: 4+2x

A:

Q: - 14 = X + 12

A: given that    -14 = X + 12

Q: x² + 8x + 15 =

A: