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3 years ago

14

James has 12 Xbox games, including 3 race car games. If James randomly selected a game, what is the probability it will be a rac

e car game? (Write the probability as a fraction in simplest form)
A)
1/
3

B)
1/
4

C)
1/
8

D)
1/
12

2 answers:

sveticcg [70]3 years ago

6 0

I think B

3/12 simplifies to 1/4

juin [17]3 years ago

5 0

The answer is B, 1/4.

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Percentage grade averages were taken across all disciplines at a particular university, and the mean average was found to be 83.

Georgia [21]

Correct Ans:
Option A. 0.0100

Solution:
We are to find the probability that the class average for 10 selected classes is greater than 90. This involves the utilization of standard normal distribution.

First step will be to convert the given score into z score for given mean, standard deviation and sample size and then use that z score to find the said probability. So converting the value to z score:

$z-score= \frac{90-83.6}{ \frac{8.7}{ \sqrt{10} } } \\ \\ 
z-score =2.326$

So, 90 converted to z score for given data is 2.326. Now using the z-table we are to find the probability of z score to be greater than 2.326. The probability comes out to be 0.01.

Therefore, there is a 0.01 probability of the class average to be greater than 90 for the 10 classes.

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3 years ago

COMMON FACTOR QUESTION❌

Agata [3.3K]

The correct answer is D.
40/8=5 and 48/8=6

5 0

3 years ago

Read 2 more answers

Roberto debe leer un libro que contiene 340 páginas en cuatro días para lo cual planea la siguiente distribución de lectura: el

Murrr4er [49]

Answer: le quedan leer 295 páginas

Step-by-step explanation:

6 0

2 years ago

H. Goes through (-3, -2) and parallel to y = 5 x +5

olchik [2.2K]

Answer: y = 5x + 13

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

Parallel means it has the same slope.

Given line y = 5x + 5 --> the slope is 5, so parallel slope is 5

Use the Point-Slope formula: y - y₁ = m(x - x₁) such that

m = 5
(x₁, y₁) = (-3, -2)

y + 2 = 5(x + 3) <em>input m and (x₁, y₁) into the Point-Slope formula</em>

y + 2 = 5x + 15 <em>distributed</em>

y = 5x + 13 <em>subtracted 2 from both sides</em>

7 0

2 years ago

A worker has job offers from two companies. The information below summarizes the job offer from each company.Company A:Starting

Zanzabum

Using linear functions, we have that:

A.

For Company A: $S_A(n) = 31000 + 3000n$

For Company B: $S_B(n) = 38000 + 2000n$

B. The salaries will be the same after 7 years.

A linear function is given by:

$y = mx + b$

In which:

m is the slope, which is the rate of change.
b is the y-intercept, which is the initial value.

Item a:

For Company A, the salary starts at $31,000, with a raise of $3,000 each year. Thus, $b = 31000, m = 3000$ , and the salary after n years is given by:

$S_A(n) = 31000 + 3000n$

For Company B, the salary starts at $38,000, with a raise of $2,000 each year. Thus, $b = 38000, m = 2000$ , and the salary after n years is given by:

$S_B(n) = 38000 + 2000n$

Item b:

They will be the same after n years, for which:

$S_A(n) = S_B(n)$

Then

$31000 + 3000n = 38000 + 2000n$

$1000n = 7000$

$n = \frac{7000}{1000}$

$n = 7$

The salaries will be the same after 7 years.

A similar problem is given at brainly.com/question/24282972

7 0

2 years ago