MathMaster
Q & A
Blog
Tutorials
Calculators
Privacy policy
CONTACT US
Menu
Home
general
if x1 and x2 are independent standard normal variables find p x1 2 x2 2 2 41
Question
If X1 and X2 are independent standard normal variables, find P(X1^2 + X2^2 > 2.41)
Like
235
likes
1177
views
Answer to a math question If X1 and X2 are independent standard normal variables, find P(X1^2 + X2^2 > 2.41)
Jayne
4.4
106
Answers
looking at chi square table. at df=2 the area at less than 2.41 = 0.30 P(X>2.41)=1-0.3 P(X>2.41)=0.7
Frequently asked questions (FAQs)
What is the simplified form of β(27+8β5) + β(27-8β5)?
+
Question: Simplify the expression 4(x + 3) - 2(2x - 5) using the distributive property.
+
Math question: Solve the system of inequalities graphically: 3x + 4y β€ 12 and 2x - 3y β₯ -6.
+
New questions in Mathematics
calculate the derivative by the limit definition: f(x) = 6x^3 + 2
-x+3x-2,si x=3
10! - 8! =
A college believes that 22% of applicants to that school have parents who have remarried. How large a sample is needed to estimate the true proportion of students who have parents who have remarried to within 5 percentage points?
Use the elimination to find the solution to each linear system. X+y=43 2x-y=20
A, B, C and D are numbers; If ABCD = 23, What is the result of ABCD BCDA CDAB DABC operation?
How many different ways can a psychology student select 5 subjects from a pool of 20 subjects and assign each one to a different experiment?
(-5/6)-(-5/4)
solve for x 50x+ 120 (176-x)= 17340
6-35 A recent study by an environmental watchdog determined that the amount of contaminants in Minnesota lakes (in parts per million) it has a normal distribution with a mean of 64 ppm and variance of 17.6. Assume that 35 lakes are randomly selected and sampled. Find the probability that the sample average of the amount of contaminants is a) Greater than 72 ppm. b) Between 64 and 72 ppm. c) Exactly 64 ppm. d) Greater than 94 ppm.
Let A, B, C and D be sets such that | A| = |C| and |B| = |D|. Prove that |A Γ B| = |C Γ D|
Convert 9/13 to a percent
Let v be the set of all ordered pairs of real numbers and consider the scalar addition and multiplication operations defined by: u+v=(x,y)+(s,t)=(x+s+1,y+t -two) au=a.(x,y)=(ax+a-1,ay-2a+2) It is known that this set with the operations defined above is a vector space. A) calculate u+v is au for u=(-2,3),v=(1,-2) and a=2 B) show that (0,0) #0 Suggestion find a vector W such that u+w=u C) who is the vector -u D) show that axiom A4 holds:-u+u=0
(2m+3)(4m+3)=0
In a company dedicated to packaging beer in 750 mL containers, a normal distribution is handled in its packaging process, which registers an average of 745 mL and a standard deviation of 8 mL. Determine: a) The probability that a randomly selected container exceeds 765 mL of beer b) The probability that the beer content of a randomly selected container is between 735 and 755 mL.
List five numbers that belong to the 5 (mod 6) numbers. Alternate phrasing, list five numbers that satisfy equation x = 5 (mod 6)
00 piece jigsaw puzzle. the completed puzzle is 10x10. each piech connects to at least 2 other pieces. i plan to assemble by taking pieces out of box one by one. if i've already taken out 2 pieces that dont directly connect, what is the minimum number of additional pieces that i need to draw to in order to guarentee that the original 2 pieces connect?
7- A printing company found in its investigations that there were an average of 6 errors in 150-page prints. Based on this information, what is the probability of there being 48 errors in a 1200-page job?
2+2020202
Triangle ABC has AB=AC and angle BAC =X, with X being less than 60 degrees. Point D lies on AB such that CB = CD Point E lies on AC such that CE= DE Determine angle DEC in terms of X
Download NOW
Apple store
Download NOW
Google play
Solve NOW
Try On Web
You might be interested in
How much volume of water in MegaLiters (ML) is required to irrigate 30 Hectare crop area with depth of 20mm?
Let π’ = π(π₯, π¦) = (π^π₯)π ππ(3π¦). Check if 9((π^2) u / π(π₯^2)) +((π^2) π’ / π(π¦^2)) = 0
If we have the sequence: 3, 6, 12, 24 Please determine the 14th term.
Let the vectors be u=(-1,0,2) , v=(0,2,-3) , w=(2,2,3) Calculate the following expressions a)<u,w> b) <2u- 5v,3w>
8xΒ²-30x-10xΒ²+70x=-30x+10xΒ²-20xΒ²
Eight acts are scheduled to perform in a variety show how many different ways are there to schedule their appearances show your work
5) A family with a father, mother and 3 children must sit on five chairs in a row and the only restriction is that the mother must be at one end. In how many different ways can they be seated?
A client did not advance L 10,000 for the rental of a parking area and it corresponds to 4 months, of which 2 months were consumed
Determine the absolute extrema of the function π(π₯)=π₯3β18π₯2 96π₯ , on the interval [1,10]
what is the annual rate on β$525 at 0.046β% per day for 3 months?
7/6-(-1/9)
Identify a pattern in the list of numbers.Then use this pattern to find the next number. 37,31,25,19,13
By direct proof, how can you prove that βThe sum of any three consecutive even integers is always a multiple of 6β.
I need to know what 20% or Β£3292.75
The sum of two numbers is 144. Double the first number minus thrice the second number is equal to 63. Determine the first two numbers.
In the telephone exchange of a certain university, calls come in at a rate of 5 every 2 minutes. Assuming a Poisson distribution, the average number of calls per second is: a) 1/8 b) 1/12 c) 1/10 d) 2/5 e) 1/24
I. Order to add 40.25+1.31+.45 what is the first action to do ?
1. A jeweler has two gold bars, with 80% purity and the other with 95% purity. How much of each must be melted to obtain a 5 kilo ingot with 86% purity?
To find the increased amount on a standard term deposit with the following conditions: starting amount: BGN 13000, type of deposit: annual, annual compound interest rate: 1.4%, after 4 years;
the length of the fenced in area is to be 5 ft greater than the width and the total amount of fencing to be used is 89 ft find the width and length