In a simple experiment, you are going out there to the duck
pond to seine out...
In a simple experiment, you are going out there to the duck
pond to seine out one redbreast sunfish at random, determine its
sex, and put it back in the pond and then, after 30 minutes, repeat
this process. Assuming that the sex ratio for redbreast in the pond
is 1:1, develop and plot the pmf of the random variable X, defined
as the number of females in the two fish observed.
Is the distribution of X symmetric or asymmetric?
Explain why the result in (a) was obtained.
Describe a simple experiment (at most 2-3 sentences) that you
would perform to determine whether the sex ratio is really
1:1.
Solutions
Expert Solution
if the calculated value of T is between c1 and c2 then we can
conclude that the sex ratio is 1:1. Otherwise not so.
Researchers used a standard fish seine to sample the fish
population of Mason Pond. Most of these fish were bluegill
(Lepomis macrochirus). Researchers removed fish from the
seine and measured these fish on a fish board the boat. Researchers
measured each fish to the nearest millimeter. Then, researchers
measured all of the fish brought in by your seine, except for fish
less than 15 mm.
Size Category
Observed
Expected
15-35 mm
22
7.33
>35-55 mm
16
5.33
>55 mm...
Would you rather battle a horse-sized duck or 100 duck-sized
horses?
(A) A horse-sized duck or (B) 100 duck-sized horses
Chose one A or B
Now, convince us why your answer is "the right answer."
Use Java
Sample values from an experiment often need to be smoothed out.
One simple approach is to replace each value in an array with the
average of the value and its two neighboring values (or one
neighboring value if it is at either end of the array). Given a
class Data with instance fields
private double[] values;
private double valuesSize;
implement a method
public void smooth()
that carries out this operation. You should not create another
array in your...
Cobalt has spilled into a pond and our task is to precipitate it
out.
Your task is to choose a precipitation agent. It has been found
that the cobalt is in the +2 state. After consulting your handy
textbook, you see that the possible precipitants are carbonate,
sulfide and hydroxide ions. Remember that the pH of the pond is
already set.
Based on what you know about equilibria, write the pertinent
chemical reactions that would occur for each of the...
After Carrying out the Aspirin synthesis experiment, Suggest an
experiment or technique based on what you have learned in the last
few weeks to confirm the preparation of Aspirin. (Give full
details) Hint: You are provided with pure sample of
Aspirin
You are going to carry out a gastric lavage (stomach pump) in
order to try and get rid of the aspirin that has not yet been
absorbed. The procedure involves washing the organ with a solution
of a certain pH containing activated charcoal to bind the aspirin.
The pH of the stomach is typically around 2.0. Which of the
following do you think would be the most effective lavage? Hint:
think about the pH at which aspirin would cross the...
(Python language)
Going out with the gang?
You are planning an outing with some friends and need to
calculate the total price of the tickets. A regular ticket
usuallycosts$3.99 and a student ticket costs only $2.99. If the
total number of tickets being ordered (including both students
andregular tickets) is at least 10, then a 10% discount is applied
to the order. However, if it is a holiday, then the
at-least-tengroup discount is only 5% (not 10%).Write a
functiontotalticketprice: given...
Before you write your paper, conduct this simple experiment on
classical conditioning.
You will need a bell (a set of keys works too, a hand-held
mirror, and a room that becomes completely dark when the light is
turned off. Hold the bell while standing in the room near the light
switch. Once in position, ring the bell and then immediately turn
off the light. Wait in total darkness for 15 seconds, then turn the
light on. Wait another 15 seconds...
RATES: 2.1 Q:1
A) A stone dropped into a still pond sends out a circular ripple
whose radius increases at a constant rate of 2.3 ft/s.
How rapidly is the area enclosed by the ripple increasing when
the radius is 2 feet?
The area is increasing at
B) Oil spilled from a ruptured tanker spreads in a circle whose
area increases at a constant rate of 8 mi^2/hr. How rapidly is
radius of the spill increasing when the area is...