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    Could somebody solve these two questions for me please?

    Question: The payouts for the Powerball lottery and their corresponding odds and probabilities of occurrence are shown below. The price of a ticket is $1.00.
    Divisions Payout Odds Probability
    Five plus Powerball $50,045,000 146,107,960 .000000006799
    Match 5 201,000 3,563,629 .000000280762
    Four plus Powerball 18,000 584,454 .000001721788
    Match 4 180 14,210 .000070511820
    Three plus Powerball 180 11,924 .000083406884
    Match 3 9 288 .003474157534
    Two plus Powerball 9 720 .001324582574
    One plus Powerball 3 113 .007831900000
    Zero plus Powerball 2 64 .014415314286
    Find the mean and standard deviation of the payout.

    Question:Croissant Bakery Inc. offers special decorated cakes for birthdays, weddings, and other occasions. It also has regular cakes available in its bakery. The following table gives the total number of cakes sold per day and the corresponding probability.

    Number of cakes sold in a day
    12
    13
    14
    15

    Probability
    .25
    .40
    .25
    .10

    Find the Mean number of cakes sold per day

    The variance number of cakes sold per day

    The standard deviation cakes sold per day

    I would really bey verrryy obliged to you!
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    (Original post by NachoPhilosopher)
    Could somebody solve these two questions for me please?

    Question: The payouts for the Powerball lottery and their corresponding odds and probabilities of occurrence are shown below. The price of a ticket is $1.00.
    Divisions Payout Odds Probability
    Five plus Powerball $50,045,000 146,107,960 .000000006799
    Match 5 201,000 3,563,629 .000000280762
    Four plus Powerball 18,000 584,454 .000001721788
    Match 4 180 14,210 .000070511820
    Three plus Powerball 180 11,924 .000083406884
    Match 3 9 288 .003474157534
    Two plus Powerball 9 720 .001324582574
    One plus Powerball 3 113 .007831900000
    Zero plus Powerball 2 64 .014415314286
    Find the mean and standard deviation of the payout.

    Question:Croissant Bakery Inc. offers special decorated cakes for birthdays, weddings, and other occasions. It also has regular cakes available in its bakery. The following table gives the total number of cakes sold per day and the corresponding probability.

    Number of cakes sold in a day
    12
    13
    14
    15

    Probability
    .25
    .40
    .25
    .10

    Find the Mean number of cakes sold per day

    The variance number of cakes sold per day

    The standard deviation cakes sold per day

    I would really bey verrryy obliged to you!
    It may have been easier to take a photo of the question than typing that table out

    Full solutions aren't supposed to be given on this forum - what have you tried so far?

    You're more likely to get a response in the Maths forum.
 
 
 
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