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NNADVOKAT [17]
3 years ago
9

Solve for x and round to the nearest tenth

Mathematics
1 answer:
Kruka [31]3 years ago
8 0

Answer:

i think its 18 :))

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Find the probability of each event.
jeka57 [31]

Using the binomial distribution, it is found that there is a 0.0108 = 1.08% probability of the coin landing tails up at least nine times.

<h3>What is the binomial distribution formula?</h3>

The formula is:

P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}

C_{n,x} = \frac{n!}{x!(n-x)!}

The parameters are:

  • x is the number of successes.
  • n is the number of trials.
  • p is the probability of a success on a single trial.

In this problem:

  • The coin is fair, hence p = 0.5.
  • The coin is tossed 10 times, hence n = 10.

The probability that is lands tails up at least nine times is given by:

P(X \geq 9) = P(X = 9) + P(X = 10)

In which:

P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}

P(X = 9) = C_{10,9}.(0.5)^{9}.(0.5)^{1} = 0.0098

P(X = 10) = C_{10,10}.(0.5)^{10}.(0.5)^{0} = 0.001

Hence:

P(X \geq 9) = P(X = 9) + P(X = 10) = 0.0098 + 0.001 = 0.0108

0.0108 = 1.08% probability of the coin landing tails up at least nine times.

More can be learned about the binomial distribution at brainly.com/question/24863377

#SPJ1

5 0
2 years ago
If a cookie recipe that makes 2 dozen cookies calls for 2 1/4 cups of flour, how cups of flour do you need to make 5 dozen cooki
Schach [20]

Answer:

5. 5/8 flour needed to make 5 dozen cookies

Step-by-step explanation:

2 dozen= 24

5 dozen=60

It takes 1 1/8 flour for 1 dozen cookies so 1 1/8 x 5= 5.625 in fraction form that= 5 5/8

5 0
3 years ago
For the school dance only three members from the student government sold tickets. James sold ten more tickets than Bonnie and Bo
irakobra [83]

Answer:

Jaes-

bnnie-

mike

-Step-by-step explanation:

,

4 0
3 years ago
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The highest scores ata gymnastics meet were 9.675, 9.25,9.325 and 9.5. Write the scores in order from least to greatest.
Inga [223]
Starting with the least score it would be ; 9.25 , 9.325 , 9.5 , 9.675
4 0
3 years ago
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a bicycle advertised all mountain bike priced at 1/3 discount what is the sales price if the original price is 327
AnnZ [28]
The discount sales price would be $218
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3 years ago
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