1. The weights of fish in a certain lake are normally distributed with a mean of 12 pounds and a population standard deviation of 4.2 pounds. If 64 fish are randomly selected from this lake, what is the probability that their mean weight will be at least 13 pounds?

Q: Miller tips for plan B?

A:

Q: 11. 3

A:

Q: 2. Find the value of x Justify your answer 18

A: Circle property

Q: 00 44 50 START!

A: From the figure  ∠1=∠3                                       ∵Corresponding angles∠1=88∘ ∠1+∠2=180∘…

Q: Simplify. 4

A: Power rule:   The power rules says that,

Q: -7.4v+2.4(-7.1v+-10)+6.7

A: simplified value is -24.44 v - 17.3

Q: In an AP if a = 3.5 , d = 0 , n= 101 then find an

A:

Q: snip

A: Given

Q: 15 17

A: given diagram is                                           the triangle is a right angled triangle.…

Q: 116 62

A:

Q: Find the value x 19.8 12.4 12.1 6.3 17.6 X 44

A:

Q: Find X

A: In a triangle, tanθ=PB

Q: Preliminary work Evaluate Vx? + 6x dr.

A:

Q: Two poles are 80 meters and 60meters tall. Their bases are located at a distance of 100 meters. A…

A:

Q: G Genius Craft 100$ B DIY Ocean

A: In the game, it is inferred that each rolled object has the option of falling down to the "left" or…

Q: A projectile is fired in the air from a height of 125 feet. Its velocity (in feet per second) t…

A: GivenThe height at which the projectile is fired is 125…

Q: 2. R S 9. x-1

A:

Q: Explain an easy way to show that the proportions and are = not equivalent.

A: We have to show that the given proportions are not equivalent: x7=23 and x2=37. We know from…

Q: Match each scatterplot shown below with one of the four specified correlations. a. -0.22 b. 0.94 C.…

A: The scatterplot and correlation values are given.

Q: 7 3 If the expected value was 3.75, how would you interpret this value? 8 If many students take this…

A: Here given probability mass function of number of comments made on discussion board during the…

Q: Find x. 2х- 8 X - 3 3 3 6 4

A: Please see the explanation below

Q: Record the type of screened electronic devices (ipad, iphone, TV, laptop, etc) you have in your home…

A: Here we want to measure the screen size of electronic devices. Screen size is measured by the…

Q: Simplify i11 i11-L %3D

A:

Q: stock b 1.3,   -3.5,   -5.4 ,   6.3,  -7.6,  9.2 find IQR

A: 1.3,   -3.5,   -5.4 ,   6.3,  -7.6,  9.2Sample of size(n)=6

Q: Match these values of r with the accompanying scatterplots: 0.368, - 0.994, 0.994, 0.752, and -…

A: By observing the scatteredness of the points of 5 scatter plots, 1. r=0.368 2. r=-0.368

Q: 2a-8=0

A: a2-2a-8=0