OhhAskMe
Login
Register
@
Dark Mode
Profile
Edit my Profile
Messages
My favorites
Register
All Activity
Q&A
Questions
Hot!
Unanswered
Users
Ask a Question
Dark Mode
[Probability] Confusing change of a random variable
Reputation_Inst
asked
Jun 21, 2022
0
like
0
dislike
0
like
0
dislike
[Probability] Confusing change of a random variable
learnmath
Reputation_Inst
asked
Jun 21, 2022
by
Reputation_Inst
answer
comment
share this
share
0 Comments
Please
log in
or
register
to add a comment.
Please
log in
or
register
to answer this question.
2
Answers
0
like
0
dislike
0
like
0
dislike
Can you work out the probability that X is even/odd?
Cardon_Remi
answered
Jun 21, 2022
by
Cardon_Remi
ask related question
comment
share this
0 Comments
Please
log in
or
register
to add a comment.
0
like
0
dislike
0
like
0
dislike
The probability (-1)^(X) = 1 is the sum of the probabilities X = k over k = 0,2,4,6,8,... and for (-1)^(X) = -1 over k = 1,3,5,7,... Hint: relate the sums to the power series for cosh(x) and sinh(x).
liam_young
answered
Jun 21, 2022
by
liam_young
ask related question
comment
share this
0 Comments
Please
log in
or
register
to add a comment.
Related questions
0
like
0
dislike
0
like
0
dislike
3
answers
RashidAbdalla
asked
Jun 21, 2022
[R] Analysis of Russian vaccine trial outcomes suggests they are lazily faked. Distribution of efficacies across age groups is quite improbable
[The article](https://www.reddit.com/r/statistics/comments/vh2ecs/analysis_of_russian_vaccine_results_suggests_they/) [Twitter summary](https://twitter.com/K_Sheldrick/st...
RashidAbdalla
asked
Jun 21, 2022
by
RashidAbdalla
statistics
0
like
0
dislike
0
like
0
dislike
1
answer
MSR_Tlse
asked
Jun 21, 2022
Are the S3/S4 Edexcel Further Maths units useful to become an actuary? Topics include sampling, unbiased and biased estimators, confidence intervals and significance tests, goodness of fit, regression and correlation etc
Are the S3/S4 Edexcel Further Maths units useful to become an actuary? Topics include sampling, unbiased and biased estimators, confidence intervals and significance test...
MSR_Tlse
asked
Jun 21, 2022
by
MSR_Tlse
actuary
0
like
0
dislike
0
like
0
dislike
20
answers
balkissoon
asked
Jun 21, 2022
Considering leaving the actuarial profession. What are some interesting fields you've heard of former actuaries going into? How did they get into the new field?
Considering leaving the actuarial profession. What are some interesting fields you've heard of former actuaries going into? How did they get into the new field?
balkissoon
asked
Jun 21, 2022
by
balkissoon
actuary
0
like
0
dislike
0
like
0
dislike
9
answers
HilaryKHarper
asked
Jun 21, 2022
Has anyone successfully guessed on like half of the questions on an exam and still passed?
Has anyone successfully guessed on like half of the questions on an exam and still passed?
HilaryKHarper
asked
Jun 21, 2022
by
HilaryKHarper
actuary
0
like
0
dislike
0
like
0
dislike
0
answers
RyanWCTV
asked
Jun 21, 2022
Range of two Discrete Random Variables
Range of two Discrete Random Variables
RyanWCTV
asked
Jun 21, 2022
by
RyanWCTV
learnmath
33.4k
questions
135k
answers
0
comments
33.7k
users
OhhAskMe is a math solving hub where high school and university students ask and answer loads of math questions, discuss the latest in math, and share their knowledge. Itâ€™s 100% free!
Twitter
WhatsApp
Facebook
Reddit
LinkedIn
Email
Link Copied!
Copy