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# Statistics Help watch

1. Could somebody solve these questions in the image?
2. I can help but i'm doing physics rn :/
3. Each event is either positive or negative, and independent (assumed). So you can use a binomial distribution to model these events.

See where you get using this Quote if you need more help.
4. (Original post by donutellme)
Each event is either positive or negative, and independent (assumed). So you can use a binomial distribution to model these events.

See where you get using this Quote if you need more help.
okay could you please solve just question 40?
thank you in advance
5. (Original post by NachoPhilosopher)
okay could you please solve just question 40?
thank you in advance
Q40 isnt on there:P
6. oops sorry! Okay could you please solve these two:

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!

(Original post by donutellme)
Q40 isnt on there:P

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