Let X and Y be normaly distributed random variables. Which of the following are also normally distributed? (multiple correct answers are possible) OX-8exp(Y)-√4 OXY O √X-8Y-√4 OX-8Y-√4 OX-8Y-√4 (X-8Y)-√4

Q: Tracy's first four test grades are 85, 89, 87 and 96. What is the lowest grade Tracy can get on the…

A:

Q: A pot of coffee with a temperature of 85 degrees Celsius is set down in a room with a temperature of…

A: According to newton's law of cooling, T=Ts+(T0-Ts)e-kt

Q: Find how long it takes a person to drive 135 miles on I-­10 ifshe merges onto I­-10 at 10 a.m. and…

A: Given data: The distance is given as 135 miles. The speed is given as 60 mph. The objective is to…

Q: Find three consecutive integers such that the sum of the largest and 5 times the smallest is -244.…

A:

Q: Find the inverse flx/=7x-7 -l6x+4

A: The given function is: f(x)=7x-7-6x+4

Q: A cricket chirps 6 times every 8 seconds. At that rate, how many times does the cricket chirp in 2…

A: The rate of chirps per second is the number of time the cricket will chirp in one second. So to…

Q: What is their net profit when 40 tickets are sold?

A:

Q: Shen took 9 test this year. His mean score was 69 points. How many total points did he earn for the…

A: From the provided information, Shen took 9 test this year that is n = 9 Mean score (x̄) = 69 points

Q: Noah rides his bike 10 km in 30 minutes. What is his average speed in kilometers per hour?

A: average speed = total distance/ total time  Here total distance = 10 km total time = 30 minutes=…

Q: Differentiate: y=x'

A: Solve

Q: A missile flies 40 miles in 20 minutes. Calculate the missile’s rate of change

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Q: A deep sea diver begins at -57 feet below sea level. He travels at 5 feet a minute. How many minutes…

A: Given, a deep sea diver begins at -57 feet below sea level and he travels at 5 feet a minute. To get…

Q: The strongest possible negative relationship is + 1.0 ? true or false

A:

Q: Please answer question 3 (2.3)

A: Given system of points, lines and planes is…

Q: Five people earn $1500 each per week, 3 earn $1600 each per week and 2 earn $1450 each per week.…

A: Total number of people=5+3+2=10 n=10

Q: If Andrei checks his pulse for 4 minutes, what is his rate if he counts 284 beats?

A: We have given that Total minutes = 4 Total beats count = 284 Rate is given by Rate = Total number of…

Q: ー Hx %3D

A: 9x2 = 4x => 9x2 - 4x = 0 => x(9x - 4) = 0

Q: 35 = 34- 10

A:

Q: Find the difference in altitude between a mountain that has an altitude of 2818feet and a desert…

A: Given: The altitude of mountain is 2818 feet. The desert valley is 265 feet below sea level. The…

Q: Please use the formula Speed = distance ÷ time as instructed

A: use the formula Speed = distance ÷ time as instructed .

Q: Joe drove a distance of 220 kilometers. For the first 2 hours, he drove on local roads. For the next…

A: Total distance Joe drove for :  220 kms Time of driving on local road : 2 hrs Time of driving on…

Q: As the average speed increases, what happens to the number of hours that it takes to bike the 20…

A: Average Speed = total distance travelled / total time taken

Q: The average age of a group of 8 people is 22. After the oldest person leaves the room the average…

A: We have to find

Q: ydx =

A:

Q: DE Let f(x, y) = 5x²-5x + 3y + 2y² - 10xy Question 22 List the critical point: > The critical point…

A: The given problem is to find the Critical points and classify the critical point for the given…