Skip to content

Statistics Week 9 Graded Assignments IIT Madras

Statistics week 9 graded assignment Complete  Solutions Are Discussed In This Blog We Hope This Might Help You All In Matching Answers . Or For Some Others Reasons Not Able To Complete Graded Assignments Check Below For Master Key

1.A discrete random variable  can take the values 1,2,···,7. For these values the cumulative distribution function is defined by:�(�)=�(�≤�)=�2+�95= 1,2,···,7. Find the value of .


2.An organization in Texas organizes lucky draw this month. 3 thousand tickets are sold for 2$ each. Each has an equal chance of winning. 1 tickets will win 698$, 3 tickets will win 353$ and 4 tickets will win 63$. Let, the random variable  denote the net gain from purchase of one ticket. What is the probability that  takes the value less than 353? (Enter the answer correct to 4 decimal place)


3. In a group of 204 people, 29 are photographers and 175 are journalists. 12 people are randomly picked from a group of these 204 people. Let,  be a random variable which represents the number of photographers. How many possible values can the random variable  take?

Which of the following is/are discrete random variables?







5.A biased coin with probability of heads 0.75 is tossed three times. Let  be a random variable that represents the number of head runs, a head run being defined as a consecutive occurrence of at least two heads. Then the probability mass function of  is given by:










6. Nina has 6 music sessions in a week. She attends the sessions 6 days a week 59% of the time, 5 days 13% of the time, one day 7% of the time, and no days 21% of the time. Let,  be a discrete random variable representing the number of sessions she attends in a week. Suppose one week is randomly selected, what is the probability that the random variable  take the value at most 5?(Enter the answer correct to 2 decimal places)

Check Master Key Below

7.Find the value of k for which k(47)�( x = 0, 1, 2, …) is a pmf.(Enter the answer correct up to 2 decimal places)


8.Using the information in previous question, calculate �(�=2).(Enter the answer correct up to 2 decimal places)


9.From a box  containing 3 white and 6 black balls, 5 balls are transferred into an empty box . Let  be a random variable that represents the number of white balls which are transferred from  to . What value of random variable will have the least probability?


10. The probability mass function of a random variable X is given by:


       �(�=�){3�2−3�for �=02�2−1for�=10otherwise

 Determine the value of k given �>0.


82 thoughts on “Statistics Week 9 Graded Assignments IIT Madras”

  1. Actually my questions has different data, in Statistics week 9 graded assignment i need to score above than 60 for write final exam please provide solutions of these questions you mentioned above…So i can solve my questions, please, thank you.

  2. hello there and thank you for your information – I’ve definitely picked up anything new from
    right here. I did however expertise a few technical issues using this website, since I experienced
    to reload the website a lot of times previous to I could get
    it to load correctly. I had been wondering if your hosting is OK?
    Not that I am complaining, but sluggish loading instances times
    will sometimes affect your placement in google and can damage your quality score if
    advertising and marketing with Adwords. Well I’m adding this RSS to my e-mail
    and could look out for much more of your respective fascinating
    content. Ensure that you update this again very soon.

  3. First off I would like to say awesome blog! I had a quick question in which I’d like to ask
    if you do not mind. I was interested to know how you center yourself and clear your thoughts prior to writing.

    I’ve had a tough time clearing my mind in getting my ideas out.
    I do enjoy writing however it just seems like the
    first 10 to 15 minutes are generally lost simply just
    trying to figure out how to begin. Any recommendations or tips?

  4. Awesome site you have here but I was wondering if you knew of any user discussion forums that cover the same topics discussed
    in this article? I’d really like to be a part of group where I can get responses from other knowledgeable people that
    share the same interest. If you have any suggestions, please let me know.

Leave a Reply

Your email address will not be published. Required fields are marked *