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Lera25 [3.4K]
2 years ago
9

Check all that apply

Mathematics
1 answer:
TiliK225 [7]2 years ago
4 0

Answer:

b and d

Step-by-step explanation:

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A standard deck of cards contains 52 cards. One card is selected from the deck.​(a)Compute the probability of randomly selecting
Aneli [31]

a. There are four 5s that can be drawn, and \binom43=4 ways of drawing any three of them. There are \binom{52}3=22,100 ways of drawing any three cards from the deck. So the probability of drawing three 5s is

\dfrac{\binom43}{\binom{52}3}=\dfrac4{22,100}=\dfrac1{5525}\approx0.00018

In case you're asked about the probability of drawing a 3 or a 5 (and NOT three 5s), then there are 8 possible cards (four each of 3 and 5) that interest you, with a probability of \frac8{52}=\frac2{13}\approx0.15 of getting drawn.

b. Similar to the second case considered in part (a), there are now 12 cards of interest with a probability \frac{12}{52}=\frac3{13}\approx0.23 of being drawn.

c. There are four 6s in the deck, and thirteen diamonds, one of which is a 6. That makes 4 + 13 - 1 = 16 cards of interest (subtract 1 because the 6 of diamonds is being double counted by the 4 and 13), hence a probability of \frac{16}{52}=\frac4{13}\approx0.31.

- - -

Note: \binom nk is the binomial coefficient,

\dbinom nk=\dfrac{n!}{k!(n-k)!}={}_nC_k=C(n,k)=n\text{ choose }k

6 0
3 years ago
Sean buys 3 quarts of ice cream. He wants to serve as many 1-cup portions as possible.
givi [52]

Answer:

D. 12

Step-by-step explanation:

there are four cups in one quart. so what i did is i took 3 quarts and multiplied it by 4 cups.

5 0
3 years ago
The radius of a circle is 9.7 m. Find the circumference to the nearest tenth?(help its urgent)
yulyashka [42]

Answer:

Step-by-step explanation:

Circumference C=2πr  r=radius \pi =3.14

C=2(3.14)9.7

C=60.9

7 0
2 years ago
PLEAASE HELP
gladu [14]
Well you are given the equation so let's plug in for kaylib and see how many miles she can see
distance = sqrt [(3 * height) / 2]
d = sqrt [(3 *48) / 2]
d = sqrt (144 / 2)
d = sqrt (72)
d = sqrt (3 * 3 * 2 * 2 * 2)
d = 6 * sqrt (2)

You you did not list Addisons height but I will say she is at x feet above sea level. we plug in x for height:
d = sqrt [(3x) / 2]

It it says how much farther for Addison which means she can see farther. to find difference we just subtract kaylibs distance from Addison. so:
sqrt [(3x) / 2] - 6 * sqrt (2)

plug in your x and use a calculator to get a decimal approximation
8 0
3 years ago
Read 2 more answers
Aderienne is saving up money to buy colby a graduation gift. In 2 weeks adreinne save 26 dollars. In 6 weeks adrienne saved 144.
Amiraneli [1.4K]

Answer:

COVETTER COGERRR

Step-by-step explanation:

HWUQUQIIQIWISIA

YE ESYE YES VECUAAD ALL OF THEM RMUNERS ARE QUELIATU

5 0
3 years ago
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