Final score averages are typically approximately normally distributed with a mean of 75 and a standard deviation of 13. Your professor says that the top 8% of the class will receive an A; The next 20%, a B; the next 42%, a C; the next 18% a D; and the bottom 12% an F. What average must you exceed to obtain an A? Round your answer to 1 decimal place.

Q: solve equation for x   37x+1-6=0

A: To solve the given equation for x.

Q: An aeroplane left 30 minutes later than its scheduled time; and in order to reach its destination…

A: let the usual speed of aeroplane = x km/hr and the increased speed = (x+250) km/hr total distance…

Q: SOLVE Bx +1 4 B+4xく1 13

A: Given that, the expression is Bx+14-B-4xB≤1.…

Q: Solve e2x + 7ex+6=0 Show every step.

A: Here we have to solve the given problem.

Q: 2. Evaluate, using the laws of logarithms. 2 log, 64 x v64* |+log, 46 43 256

A: according to our guidelines we can answer only three subparts, or first question and rest can be…

Q: メャ2

A:

Q: b by factory Solve -2 2p²² + p ²²-1 1 = 0 D

A:

Q: )² - x² (4x+y'+ 13x'

A: Given differential equation is y'2 -x2 4x+3 y' +12 x5 =0 This is first order homogeneous…

Q: Solve for x if: 3 5 X- 8 6 II

A:

Q: help please answer in text form with proper workings and explanation for each and every part and…

A: P(A) = No. of people under 18 / Total PopulationP(A)=558/2982P(B) = No. of people employed part time…

Q: X-X-30-0

A: x2 – x – 30 = 0Solve by completing the square.

Q: What property is used to solve 15x = 5?

A: The equation is a statement that consists of equal symbol between two algebraic expressions. The…

Q: 1 + √²-√²+1 = √₂ -= X 2 2 - - x + √x + ₂ + V z X X 2

A:

Q: Solve by using u substitution and factoring:  x+x^1/2-20=0

A:

Q: = =x +2 4

A: given: x4=25x+2 given equation can be written as x4=2x5+2

Q: Solve for x in the equation 3x² = 48 Ox=4 Ox= -4 Ox=4,-4 x = 4,8 Ox=2,8

A: Solution:

Q: 1. 3.7 x + 10 = 25 Solve

A:

Q: 36xte-2a3 12xe-23 + 2 = 0

A: I have used Bisection method to solve this

Q: he issue/scenario: A bio-tech firm has provided you with 1 years’ worth of sales for a sample of 45…

A: Hi! Thank you for the question, As per the honor code, we are allowed to answer one question at a…

Q: 3y 6y 2x° 2.

A:

Q: Solve the equation e*+4 = e* + 1 x =

A:

Q: II. Linear Programming. Kohler Furniture manufactures two types of chairs, regular and high back.…

A:

Q: Find the root of the equation x2 - 4 Inx use x, =1.000 Solve by simple iterative method.?

A: We have to find root of given equation.

Q: 1. finol Solution of the differential equatiou

A:

Q: please explain step by step in nice handwriting, please also identify the equation and solve

A: Bernoulli differential equation

Q: Solve 3(a+2) = 24 using the distributive property as STEP 1

A: Answer

Q: 7 1 point Answer True or False. Given the equation 167 1 (82*+1), 41-32 then 4x – 3 = 0. True False…

A:

Q: P + = 1

A: Consider the function as f(p,q)=p+q-1 then obtain the complete integral for the given function.

Q: Kindly answer this as soon as possible and solve only by step-by-step method. And d not write answer…

A: Given, if 2x=3y=5z=301x+1y+1z, To find                   2x+3y+5z30=?

Q: 6 i = 81. Solve The solution is x =

A:

Q: 12) Solve for x: /8r - 2= V5x + 10

A:

Q: ax-1 = 81 solution set =

A: Given query is to find the value of x.

Confidence Intervals

When we calculate intervals in probability and statistics, it can be simply termed as finding out a confidence interval. The confidence interval is usually calculated from the data set which is observed. The value of the parameter that needs to be calculated is present here only.