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tia_tia [17]
3 years ago
7

Marcus went to the school gym to practice his 3 point shots

Mathematics
1 answer:
Schach [20]3 years ago
3 0

Answer:

Plz write a proper question and by the way I'm not writing it For <em>points</em><em> </em><em>sake</em>..It's a incomplete question.....

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a coin will be tossed 10 times. Find the chance that there will be exactly 2 heads among the first five tosses and exactly 4 hea
777dan777 [17]

Answer:

The chance that there will be exactly 2 heads among the first five tosses and exactly 4 heads among the last 5 tosses is P=0.0488.

Step-by-step explanation:

To solve this problem we divide the tossing in two: the first 5 tosses and the last 5 tosses.

Both heads and tails have an individual probability p=0.5.

Then, both group of five tosses have the same binomial distribution: n=5, p=0.5.

The probability that k heads are in the sample is:

P(x=k)=\dbinom{n}{k}p^k(1-p)^{n-k}=\dbinom{5}{k}\cdot0.5^k\cdot0.5^{5-k}

Then, the probability that exactly 2 heads are among the first five tosses can be calculated as:

P(x=2)=\dbinom{5}{2}\cdot0.5^{2}\cdot0.5^{3}=10\cdot0.25\cdot0.125=0.3125\\\\\\

For the last five tosses, the probability that are exactly 4 heads is:

P(x=4)=\dbinom{5}{4}\cdot0.5^{4}\cdot0.5^{1}=5\cdot0.0625\cdot0.5=0.1563\\\\\\

Then, the probability that there will be exactly 2 heads among the first five tosses and exactly 4 heads among the last 5 tosses can be calculated multypling the probabilities of these two independent events:

P(H_1=2;H_2=4)=P(H_1=2)\cdot P(H_2=4)=0.3125\cdot0.1563=0.0488

7 0
3 years ago
This question tho........... .​
adoni [48]

Answer:

Step-by-step explanation:

5\sqrt[3]{x+8}=35\\ \\ \sqrt[3]{x+8}=7\\ \\ x+8=7^3\\ \\ x+8=343

3 0
2 years ago
Help me pls asap i really need this
maria [59]
The answer to the question is 26°

180°-154°= 26°
4 0
3 years ago
Read 2 more answers
How many hundred thousands, ten thousands, and thousands are in 801,163
Advocard [28]
8 hundred thousands and 1 thousand.
5 0
3 years ago
What is the degree of the power function represented in the table?
allochka39001 [22]

Answer:

3

Step-by-step explanation:

-2+1= -1

4-3=1

-3/1= -3

3 0
3 years ago
Read 2 more answers
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