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3 years ago

What is the probability that the two pointers will land on an odd number and letter C? Give the probability as a percent

Mathematics

2 answers:

Verizon [17]3 years ago

7 0

Answer:

Your answer would be 12.5%.

Step-by-step explanation:

There are two types of spinners here and the outcome of them is independent. That means

P(odd number, C) = P(odd number) * P(C)

There are two odd numbers out of four numbers in the first spinner. The chance of odd number will be:

P(odd) = 2/(2+2)= 1/2= 50%

There are four letters and the desired outcome is C. The chance for C will be:

P(C) = 1/4= 25%

Then the chance will be:

P(odd number, C) = P(odd number) * P(C)

P(odd number, C) =50% * 25% = 12.5%

Therefore, 12.5% will be your final answer.

Firlakuza [10]3 years ago

6 0

Answer:

12.5%

Step-by-step explanation:

hope this helps and its right

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If the relationship of the sides shown in the triangular walkway can be represented by the equation 5 x squared minus 2025 equal

tester [92]

Answer:

$20.1\ \text{feet}$

Step-by-step explanation:

The given relation is

$5x^2-2025=0$

where $x$ is the portion of walkway in which the person walks

Rearranging the equation we get

$5x^2=2025\\\Rightarrow x^2=\dfrac{2025}{5}\\\Rightarrow x^2=405\\\Rightarrow x=\sqrt{405}\\\Rightarrow x=20.124\approx 20.1\ \text{feet}$

The length of the portion of the walkway labeled $x$ is $20.1\ \text{feet}$ .

3 0

3 years ago

Which expression is equivalent to StartFraction b Superscript negative 2 Baseline Over a b Superscript negative 3 Baseline EndFr

kicyunya [14]

Given:

The given expression is $\frac{b^{-2}}{a b^{-3}}$

Let us assume that $a \neq 0, b \neq 0$

We need to determine an expression that is equivalent to the expression $\frac{b^{-2}}{a b^{-3}}$

Equivalent expression:

The equivalent expression can be determined by solving the given expression.

Hence, applying the exponent rule, $\frac{x^{a}}{x^{b}}=x^{a-b}$

Thus, we get;

$\frac{b^{-2}}{a b^{-3}}=\frac{b^{-2-(-3)}}{a}$

Subtracting the numbers, we get;

$\frac{b^{-2}}{a b^{-3}}=\frac{b}{a}$

Thus, the equivalent expression is $\frac{b}{a}$

Hence, Option D is the correct answer.

4 0

3 years ago

The proportion of a population with a characteristic of interest is p = 0.37. What is the standard deviation of the sampling dis

lukranit [14]

The standard deviation (SD) of a sample proportion obtained when the sample size is 1,600 is equal to 0.0121.

<h3>What is a sample proportion?</h3>

A sample proportion can be defined as the proportion of individuals in a sample that have a specified characteristic or trait.

Mathematically, sample proportion can be calculated by using this formula:

$\hat{p} = \frac{x}{n}$

Where:

x represent the number of individuals with a specified characteristic.
n represent the total number of individuals in a sample.

In Mathematics, the standard deviation (SD) of a sample proportion obtained when the sample size is 1,600 can be calculated by using this formula:

Standard deviation (SD) = √(p(1 - p)/n)

Substituting the given parameters into the formula, we have;

Standard deviation (SD) = √(0.37(1 - 0.37)/1,600)

Standard deviation (SD) = √(0.37(0.63)/1,600)

Standard deviation (SD) = √(0.2331)/1,600)

Standard deviation (SD) = √0.0001457

Standard deviation (SD) = 0.0121.

Read more on standard deviation here: brainly.com/question/14467769

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1 year ago

if sally made 75$ in 5 hours of babysitting and andrea made 64$ in 4 hours of babysitting who has the higer unit rate and by how

Gwar [14]

Answer:

75/5=15

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Andrea has a higher babysitting rate by $1

Step-by-step explanation:

6 0

3 years ago

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What is the volume of the rectangular prism?

Lapatulllka [165]

Answer:

36ft^3

Step-by-step explanation:

l x w x h

=6 x 3 x 2

=6 x 6

=36

36ft^3

6 0

3 years ago

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