A researcher examines 4 sedimentary samples for mercury concentration. The mean mercury concentration for the sample data is 0.621 cc/cubic meter with a standard deviation of 0.0128. Determine the 80% confidence interval for the population mean mercury concentration. Assume the population is approximately normal. Step 1 of 2 Find the critical value that should be used in constructing the confidence interval. Round your answer to three decimal places.

Q: Question 12

A: Given: Value of the trading card = $155 (in 2009) Each year increases by = 4.8% = 0.048 To…

Q: and question d

A: As per the  question we have to find the constant force of interest that will give rise to the…

Q: EC an

A:

Q: a paint manufacturer dis

A: To find percentage of pails with volumes between 1.05 gallons and 1.15 gallons

Q: I. de

A:

Q: Question 12

A: (12)(a) Given, f(x)=2x-6 such that f:ℝ→ℝThe function f(x) is a linear function. The f(x) is defined…

Q: Question 12

A: We are given the following shapes. For (a), We need to find the volume of the box as a function of…

Q: only E

A: Differentiate wrt x

Q: VE Gx+5

A:

Q: If m 2 50, which diagram represents ở drawn in standard position? O A. O B. O C.

A: Option D is correct..

Q: inx dx cory

A:

Q: 1. Plot each of the following polar coordinates:

A: Given, To plot (5,5π3) and (2,-5π4)

Q: đ = , 5 = , č = , d = Find |5||

A:

Q: Parts A and B please

A: a) It is given that, a box has square base of side x and height h. The volume is 15 and surface area…

Q: Solve AABC subject to the given conditions. Round the lengths of the sides and measures of the…

A:

Q: reed.

A: Hey there! Thank you for posting the question.  Since there are multiple questions posted, we will…

Q: Sahve on

A: We\'ll start by distributing both the sides of the inequality as shown on the board