1. The mean scores of a random sample of 17 students who took a special test is 83.5. If the standard deviation of the scores is 4.1, and the sample comes from an approximately normal population, find the point and the interval estimates of the population mean adopting a confidence level of 95%.

Q: Please show the solution. I only gave the correct answers but I need the solution how these answers…

A: The given claim is that these teachers differ significantly in their opinion on this issue.

Q: Solve for X. X = (21-×3-1 5 = I.

A: Given that

Q: Solve for 91- = 320-5.

A: Solve by logarithmic

Q: The middle digit of a number between 100 and 1000 is zero and the sum of the other digit is 13. If…

A: Number between 100 and 1000 is three digit number. Consider the first digit be x, middle digit be y…

Q: The digits of a positive integer, having three digits, are in A.P. and their sum is 15. The number…

A:

Q: Solve 5m - 9> 2m + 3

A:

Q: 12.4 Exercises Answers to selected odd-numbered problems begin on page ANS-30. In Problems 1-6, find…

A:

Q: 6. -8310 – 4310

A:

Q: (1а)20 a - 1-06 2

A: According to question,Given expression,1-11+a20a=-1.062

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

A: I have used Bisection method to solve this

Q: Solve for x x²-4 -2= 1 9. - 5

A:

Q: A positive number is 5 time another number . if 21 is added to both the numbers then one of the new…

A:

Q: Find all three digit numbers that multiplied by 6 give a three digit number with the same sum of…

A: Given data:- Given number will be of 3 digit number A number obtained after multiplication by 6 also…

Q: Solve for 9(9x+4)-4=2x-4+79x+28

A: The equation is 99x+4-4 = 2x-4+79x+28 To determine: the solution of the equation.

Q: Solve 2 3 - = 13 and х у 5 4 -2 X X y

A:

Q: Solve 22 - 5- 2" +6 = 0.

A:

Q: Can you please solve number 73

A: Given value is,

Q: Please help me!

A: For the first part of the Q: We need to write one digit on both sides of 57 to make the number…