Assume that the breaking strengths for all steel rods of a certain type constitute a normal population. A sample of 12 measurements selected from this population gave a sample mean of 3.56 tons and sample standard deviation of 0.38 tons. a. Find 99% confidence interval for the population mean. Keep two digits after decimal point in the answer. 99% confidence interval for the population mean is ( b. Find 99% confidence interval for the population standard deviation. Keep two digits after decimal point in the answer. 99% confidence interval for the population standard deviation is

Q: Express numbers in exact, simplest form. 2 2 y + 16 1 25

A:

Q: Simplify the following. V18 + V45 – 3/8 + 2/5

A: We can answer it as below using properties of number system

Q: Write -24 in terms of i and simplify if possible.

A: Given,            -24

Q: A STU is similar to A VWX.Find VW. W 21 28 S U 24

A: We have △STU is similar to △VWX. So we get STVW=TUWX⇒VW=ST·WXTU=21·428=21·17=3

Q: ne length of the rectangle is 2 cm more than the width. The area of the rectangle is 48 cm. Find the…

A: Given area of rectangle is 48 cm2 Let width of the rectangle is x cm. Length is 2cm more than the…

Q: Could you please resolve this and make it handwritten for me to better understand. im not sure if…

A:

Q: e3x dx o e6x+1 1 d)

A:

Q: not correct answer. I need solution for each "select"

A:

Q: 2. R S 9. x-1

A:

Q: LeBron James LeBron James, one of the best professional basketball players ever, has a height of 203…

A: Given: Population mean μ = 176 Population standard deviation σ = 6 Formula Used: Z-score = X-μσ

Q: Evaluate each expression if r= 5, s= 2, t= 7, and u= 1. 1. 2t^2 - 18 2. r^2 +8

A:

Q: Given p= and a = , find 2p - q. 2p - q = <

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: Number 20 says Find the value of X. Round

A:

Q: If -6 9. 7 A 2 -8 then A- ||

A: