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4 years ago

Which of the following is the converse of the statement “if it is my birthday, then it is September”

Mathematics

2 answers:

ra1l [238]4 years ago

7 0

Answer:

The converse statement is "If its is September then it is my birthday"

Step-by-step explanation:

brilliants [131]4 years ago

6 0

Answer:

If its is September then it is my birthday basically reverising it

Step-by-step explanation:

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Five thousand tickets are sold at $1 each for a charity raffle. Tickets are to be drawn at random and monetary prizes awarded a

aksik [14]

Answer:

the expected value of this raffle if you buy 1 ticket = -0.65

Step-by-step explanation:

Given that :

Five thousand tickets are sold at $1 each for a charity raffle

Tickets are to be drawn at random and monetary prizes awarded as follows: 1 prize of $500, 3 prizes of $300, 5 prizes of $50, and 20 prizes of $5.

Thus; the amount and the corresponding probability can be computed as:

Amount Probability

$500 -$1 = $499 1/5000

$300 -$1 = $299 3/5000

$50 - $1 = $49 5/5000

$5 - $1 = $4 20/5000

-$1 1- 29/5000 = 4971/5000

The expected value of the raffle if 1 ticket is being bought is as follows:

$E(x) = \sum x * P(x)$

$E(x) = (499 * \dfrac{1}{5000} + 299 *\dfrac{3}{5000} + 49 *\dfrac{5}{5000} + 4 * \dfrac{20}{5000} + (-1 * \dfrac{4971}{5000} ))$

$E(x) = (0.0998 + 0.1794+0.049 + 0.016 + (-0.9942 ))$

$E(x) = (0.3442 -0.9942 )$

$\mathbf{E(x) = -0.65}$

Thus; the expected value of this raffle if you buy 1 ticket = -0.65

7 0

3 years ago

The sum of two angles in a triangle totals 62.5 degrees. What is the other angles measure?

Advocard [28]

**All 3 angles of a triangle have a sum of 180°.**

So if 2 of those 3 angles are 62.5°, you would just subtract that by 180°.

180 - 62.5 = 117.5

The third angle would have to be 117.5°.

7 0

4 years ago

Jack owns a small restaurant called Best Burgers. For one week, he collected sales data on the type of side order served with ea

Marta_Voda [28]

I do not know if I am correct but I would say 90 pounds of French fries.

7 0

3 years ago

Read 2 more answers

A coffee shop owner wants to examine the number of customers who pass in front of his store in the morning from 7:00am to 7:30am

adelina 88 [10]

The probability that more than 210 people will pass in front of his store is 0.2272.

In the question, we are given that a coffee shop owner wants to examine the number of customers who pass in front of his store in the morning from 7:00 A.M to 7:30 A.M.

We are asked to find the probability that more than 210 people will pass in front of his store if the mean number of customers during this time is 210.

This experiment follows a Poisson Distribution with a mean (λ) = 200, and the random variable X = 210.

To find the probability that more than 210 people will pass in front of his store, we will find P(X > 200).

P(X > 200) = 1 - P(X ≤ 210).

Now, P(X ≤ 210) can be calculated using the function poissoncdf(200,210) on the calculator.

As to find the probability of a Poisson Distribution P(X ≤ x), for a mean = λ, we use the calculator function poissoncdf(λ,x).

The value of poissoncdf(200,210) = 0.77271.

Thus, the value of P(X > 210) = 1 - 0.77271 = 0.22729.

Thus, the probability that more than 210 people will pass in front of his store is 0.2272.

Learn more about Poisson Distribution at

brainly.com/question/7879375

#SPJ4

7 0

2 years ago

One Step Equations, need help with this one: x+3=7 Thanks

zimovet [89]

Answer:

Step-by-step explanation:

We subtract 3 from both sides to get rid of x and when we do so we get x = 7 - 3 = 4.

6 0

3 years ago