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Stels
2 months ago
10

We flip a fair coin five times. For every heads you pay me $1 and for every tails I pay you $1. Let X denote the my net winning

at the end of the flips. Find the possible values and the probability mass function of X.
Mathematics
1 answer:
AnnZ [12.3K]2 months ago
8 0
The probability mass function of X equals 0.03. To clarify:
Assuming the requirement for winning is one side as heads and the opposing side as tails, the likelihood of both outcomes is 1/2 or 0.5. Thus, we can construct a graph to calculate all probabilities related to achieving heads. In this context, X indicates the dollar amounts won during the coin flips, while the probability of heads reflects the likelihood of each outcome and the potential winnings. The chances of winning decrease as the winning amount rises.
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The probability that a customer's order is not shipped on time is 0.06. A particular customer places three orders, and the order
AnnZ [12381]

Response:

a)

b) 0.044

Step-by-step breakdown:

Part a)

A Sonet consists of 14 lines. Raymond Queneau published a collection of 10 sonnets, each placed on separate pages. This implies that every page contains a 14-line poem. We are to determine how many unique sonnets can be created from the 10 published sonnets.

As the first line of a new sonnet can be chosen from any of the 10 published sonnets, it offers 10 options for the selection of the first line. Likewise, the second line of the new sonnet can also be from any of the 10 sonnets, leading to another 10 choices for the second line, and this applies identically for all 14 lines, resulting in 10 options for each line.

According to the fundamental principle of counting, the total number of possible sonnets would equal the product of the options available for all 14 lines.

Thus,

the number of sonnets created from those in the book = 10 x 10 x 10 x 10 x 10 x 10 x 10 x 10 x 10 x 10 x 10 x 10 x 10 x 10 =

sonnets

Therefore,

can be formed from the 10 in the book.

Part b)

Next, we will ascertain how many sonnets can be generated that utilize none of the lines from the first and last page. Given that there are 10 pages total, the exclusion of the 1st and last leaves us with 8 pages (8 sonnets).

Consequently, the number of options for each line of such a sonnet will be restricted to 8 choices. Applying the fundamental principle of counting, the total sonnets with no lines from either the first or last sonnet is calculated as

P = (0.94)^{3}

This shows the number of favorable outcomes that ensure the selection of a sonnet does not result in lines from the first or last sonnet in the collection.

Thus,

The probability that no lines are selected from either the first or the last sonnet =

5 0
2 months ago
Justin wants to buy plants for his property, and he can afford to spend at most $480. The local nursery sells holly bushes for $
lawyer [12517]

Answer: 10 holly bushes and 12 bayberry shrubs

Step-by-step explanation: use your brain or a calculator to figure out the cost of each type of plant and then total them up

3 0
3 months ago
Barbara sells iced tea for $1.49 per bottle and water for $1.25 per bottle. She wrote an equation to find the number of drinks s
tester [12383]
Her phrasing suggests that she would sell numerous water bottles and just a single iced tea. The accurate equation should be 1.25x + 1.49y = 100, as she may offer varying quantities of both.
4 0
3 months ago
The table shows Mr. Winkler’s schedule for paying off his credit card balance. A 5-column table with 4 rows. Column 1 is labeled
Leona [12618]

Response:

3

Detailed explanation:

6 0
1 month ago
Read 2 more answers
Given the function f(x) = −5x2 − x + 20, find f(3). −28 −13 62 64
Leona [12618]

Answer:

Option (a) is the correct choice.

The result of the given function f(x)=-5x^2-x+20 at x = 3 is -28

Detailed explanation:

Provided: Function f(x)=-5x^2-x+20

We need to calculate the function's value at x = 3

Evaluate the specified function f(x)=-5x^2-x+20

As we are required to find the function's value at x = 3

Substitute x = 3 into the function f(x)

f(3)=-5(3)^2-(3)+20

Upon simplification, we get

f(x)=-45-3+20=-28

Thus, the value of the given function f(x)=-5x^2-x+20 at x = 3 is -28

5 0
1 month ago
Read 2 more answers
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