Homework Answers

Between z = 2.12 and z = -2.12

Write the expression for the following. z is divided by -9 and then 8 is suntracted from the result

He wants to know how to identify the regions under the normal curve corresponding to different standard normal values. Your friend will send a picture of a normal curve with the corresponding area, and he asks you favor to explain each picture on how to obtain the value of the shaded part of the normal curves. Here is the screenshot of the

pictures.

the first image is P(z>2.19) , probability is 11.7%

second image P(-2.56<z<1.96), probability is 96.98%

Check the limit of the function f(x,y) = 3x^2y/(x^2 + y^2) at origin exist or not

supposed 100 refrigerator were manufactured during a day. ninety five operated perfectly and 5 had atleast one defect. a sample of four is selected at random. using the hypergeometric distribution formula, find the probability that 8 of the 10 will operate perfectly?

1. Write the following sentences in the form of if... then and then find the inverse, converse,

and contrapositive [8]

i) You can become successful and happy unless you lead a lazy life.

ii) We enter the password or we click on the forget password button is necessary for

us to login into the system and create a user profile.

2. With all the steps find out if the following system specifications are consistent or

not- [7]

i) If you study well, then you will get a good grade.

ii) We did all the assignments is necessary for us to get a good grade.

iii) We didn’t do all the assignments.

3. Use any of the two proof methods to prove the following- [5]

∼((∼a ∧ b) ∨ (∼a ∧ ∼b)) ∨ (a ∧ b) ≡ a

A rental home on EWD apartelle rents for 1,000.00 a night for the first three nights, 900.00 for the next three nights, and 800.00 a night for each remaining night. The total cost T is a function of the number of night's n that a guest stays.

Create a function model defined