Question 7 A researcher wishes to estimate the average height of trees in a geographic region. If the population standard deviation is known to be 30 inches, what should the sample size be so that the length of the 90% confidence interval does not exceed 2 inches? O2436 O 2428 O 2431 O2450 O 2443

Q: |TY/ ry

A:

Q: Evaluate 4-3

A: For a negative exponent, we will use reciprocal first.

Q: The number of guest represented is not 85

A: Min  = 15Q1 = 30Median = 45Q2 = 55Max = 100

Q: Add the Practons. Simplly if possible + lea+9 t.

A:

Q: dr Vr +3 5.

A:

Q: The top number is 1.3, not 13. Can you please redo the answers with 1.3

A:

Q: 15 =

A: Given integration: ∫0915xdx Apply the constant multiple rule ∫cf(x)dx=c∫f(x)dx ∫0915xdx=15∫09xdx…

Q: arg er side is doubled.the new hyp

A: the largest side of a right angle triangle is hypotenuse.  It is doubled .

Q: snip

A: Given: 1.43=____  823=____ 3-2=____

Q: There are two more questions pleade

A: I have to answer for part-d and part-e, so i use the previous result .

Q: Evaluate 24

A: Explanation of the answer is as follows

Q: The sum of E(-1)*1 . is equal to (1/2) 3 n=1 5" F TO

A: SINCE YOU HAVE ASKED MULTIPLE QUESTIONS IN SINGLE REQUEST, WE WILL BE ANSWERING ONLY THE FIRST…

Q: to 40 ーと。

A: Solving the above diagram.

Q: ex- 12

A: Given: y=ex-12 we know that am-n=aman

Q: I wanted help with 22 not 21

A: 22)

Q: y 10 10 10

A:

Q: forgot a23

A: If the elements of a matrix are represented in the form - Then,

Q: True or False and explain why. Just number 4

A: 4) to write the true or false

Q: Evaluate 0 b 0 10

A:

Q: Answer unclear

A:

Q: I indy ralue

A: using two formula ln(y²) =2lny (x-y)²=x²-2xy+y²

Q: 16cups=?qt

A: We will solve the problem

Q: Evaluate  P43 and C96

A: Solution

Q: CAN YOU DO A HANDWRITTEN ANSWER

A:

Q: -10 -10 O 10 O -10

A: we know that  --x=+x here x=10

Q: The last number is 18 not 1

A:

Q: Simplify. - V4 = 0

A:

Q: 66 to the nearest 100

A: Find 66 to the nearest 100