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harina [27]
2 years ago
15

Suppose the probability of being picked first in your class is 0.05. What are the the odds of being picked first? Express your a

nswer in the form a:b
Mathematics
1 answer:
den301095 [7]2 years ago
5 0

Suppose the probability of being picked first in your class is 0.05. The odds of being picked first expressed in form of a: b is 1 : 19.

A probability is a number that represents the possibility or chance that a specific event will occur.

{\mathbf{\text{The probability of an event} = \dfrac{\text{number of desired outcome}}{\text{total number of possible outcome}}}

From the given information;

  • Let assume the total number of people in the class is whole = 1

∴

The odds of being picked first can be computed as:

\mathbf{=\dfrac{0.05}{1-0.05}}

\mathbf{=\dfrac{0.05}{0.95}}

\mathbf{\dfrac{1}{19}}

= 1 : 19

Therefore, the odds of being picked first in terms of a: b is 1 : 19

Learn more about probability here:

brainly.com/question/11234923?referrer=searchResults

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Maslowich

what is the answer the answer is what

7 0
2 years ago
Find (12x+12)−(−5x+8). step by step answers please.
Bas_tet [7]

Answer:


Step-by-step explanation:

First add 5x to 12x which becomes 17x and subtract 8 from 12 which becomes 4. So the answer is 17x+4!

6 0
3 years ago
The following data represent the pH of rain for a random sample of 12 rain dates. a normal probability plot suggest the data cou
babunello [35]

Answer:

Step-by-step explanation:

a) Estimate for population mean = Sum/n =\frac{59.1}{12} =4.925

b) Variance = 0.099208

Std dev = 0.314974

Std error = 0.0950

For 95% margin of error = 1.96*Std error

=0.1861

Confidence interval = (4.925-0.1861, 4.925+0.1861)\\=(4.7389, 5.1111)

Interpretation of confidence interval:

A) if repeated samoles are taken, 95% of them will have a sample pH of rain water between [ ] & [ ].

For 99%  CI,  z value = 2.59

Conf interval = (4.6790, 5.1710)

C)if repeated samoles are taken, 99% of them will have a sample pH of rain water between [ ] & [ ].

As the level of confidence increases l, the width of the interval[ increases] this makes sense since the [  margin of error] [increases]

3 0
2 years ago
A number cube with the numbers 1 to 6 is rolled. What is the theoretical probability of rolling the number 3?
mr_godi [17]
<h3>Answer:</h3>

\frac{1}{6}

<h3>Step-by-step explanation:</h3>

There are 6 possible options: \text{1, 2, 3, 4, 5, 6}

There is 1 option out of those 6 that we are finding: \text{3}

Therefore, the probability is \frac{1}{6}.

4 0
2 years ago
Read 2 more answers
If you pay for $25.00 for purchase which includes 11% sales tax. how much is the sale tax?
natulia [17]
10% = $25.00 / 10
= $2.50

1% = $25.00 / 100
$0.25

Add them together to get 11%.

$0.25 + $2.50 = $2.75

Please make this the brainiest answer :3.
4 0
3 years ago
Read 2 more answers
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