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yarga [219]
3 years ago
13

You have 15 pennies in your pocket. Of those pennies, 3 are Canadian. Suppose you pick a penny out of your pocket at random. Fin

d probability (not canadian). . A. 5 B. 1/5 C. 6/5 D. 4/5
Mathematics
1 answer:
den301095 [7]3 years ago
4 0
The best and most correct answer among the choices provided by your question is the fourth choice or letter D. The probability is 4/5.

<span>P ( canadian)= 3/15 = 1/5
On the other hand, P (not canadian) = 1 - 1/5 = 4/5</span>

I hope my answer has come to your help. Thank you for posting your question here in Brainly.
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Assume that when adults with smartphones are randomly​ selected, 48​% use them in meetings or classes. If 8 adult smartphone use
Lisa [10]

Answer:

The probability is 2.2%

Step-by-step explanation:

The probability that a randomly selected adult uses the telephone in classes is always equal to 0.48.

If x represents the number of adults selected from among the 8 that the telephone uses in classes, then x is a discrete random variable that follows a binomial distribution, with:

p = 0.48

q = 0.52

n = 8

We want to find the probability of x = 5

P(x) = \frac{n!}{x!(n-x)!} *p ^ n *q ^{n-x}\\\\ P(x = 5) = \frac{8!}{5!(8-5)!} * 0.48 ^ 8 * 0.52 ^ 3\\\\ P(x = 5) = 0.02218

The probability is 2.2%

6 0
3 years ago
Helllllpppppppppp idk what it issssss
yulyashka [42]
I think it’s either a or c
8 0
3 years ago
Write the missing numbers to show equivalent fractions for some common numbers used as benchmarks
erastovalidia [21]

Answer:

Step-by-step explanation:

gew;iF:hb

3 0
3 years ago
Read 2 more answers
2p=kx-t how do you solve for x
sergiy2304 [10]
Isolate x on one side of the equation. divide by k.
2p over k =x-t
add t
(2p/k)+t = x.
hope this helps and have a wonderful day!
8 0
3 years ago
Can someone help me with these two or at least explain it pls
Bad White [126]

A withdrawal from an account means taking money out of your account. That means whatever money you have in there becomes a smaller amount because you're subtracting money from the account.

So, to work out how much money Jan withdrew as a negative sum, you just have to look at how much she took out:

-25 - 45 - 75 = -$145

This means Jan took out $145 from her account, and we write it with a negative sign because it's money that's going to be taken away from whatever's in there.

The same thing applies to Julie:

-35 - 55 - 65 = -$155

Julie took out $155 from her account, so her withdrawals were -$155.

Therefore, your final answer for 24a. is -$145 and your answer for 24b. is -$155.

7 0
3 years ago
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