All categories

2 years ago

YOOOOOOO HELLLPPPPPP PT.2 HERE 100 PLUS BRAINLIST

Mathematics

2 answers:

ioda2 years ago

7 0

Answer:

The one in the bottom right hand corner.

Step-by-step explanation:

The one in the bottom shows a perfectly symmetric standard curve. In a standard curve, the mean and median and mode are equal.

In a right skewed curve, the median is less than the mean. An example of a right skewed curve is the bottom left hand corner.

In a left skewed curve, the mean is less than the median. An example of a left skewed curve is the top left hand corner.

I hope this helps! Let me know if you have any further questions.

pshichka [43]2 years ago

4 0

I believe it is the second one hope that helped

You might be interested in

What makes a sample random

Yuliya22 [10]

Answer:

A simple random sample is a subset of a statistical population in which each member of the subset has an equal probability of being chosen. ... An example of a simple random sample would be the names of 25 employees being chosen out of a hat from a company of 250 employees

Step-by-step explanation:

i searched it up

7 0

3 years ago

Read 2 more answers

An ammunition producer claims his best product has an average lifespan of exactly 18 years. A skeptical product evaluator asks f

DochEvi [55]

Answer:

The 90% confidence interval for the true mean lifespan of this product is between 13.1 and 16.9 years.

Step-by-step explanation:

We have the standard deviation for the sample, which means that the t-distribution is used to solve this question.

The first step to solve this problem is finding how many degrees of freedom, we have. This is the sample size subtracted by 1. So

df = 50 - 1 = 49

90% confidence interval

Now, we have to find a value of T, which is found looking at the t table, with 49 degrees of freedom(y-axis) and a confidence level of $1 - \frac{1 - 0.9}{2} = 0.95$ . So we have T = 1.6766

The margin of error is:

$M = T\frac{s}{\sqrt{n}} = 1.6766\frac{8}{\sqrt{50}} = 1.9$

In which s is the standard deviation of the sample and n is the size of the sample.

The lower end of the interval is the sample mean subtracted by M. So it is 15 - 1.9 = 13.1 years

The upper end of the interval is the sample mean added to M. So it is 15 + 1.9 = 16.9 years

The 90% confidence interval for the true mean lifespan of this product is between 13.1 and 16.9 years.

8 0

2 years ago

Find the domain and range for the function graphed below

Nana76 [90]

Answer:

Domain: 3, 2, 1, 0, -1 , -2 , -3

Range: 5 , 4 , 3 , 2 , 1 , 0 , -1 , -2

Step-by-step explanation:

The domain values are all of the x-values, and the range value are all of the y-values. Domain ad range can also be know as input and output.

3 0

3 years ago

What is the slope of the line that contains the points (-3, 6) and (4, 6)?

nika2105 [10]

M=[(y2-y1)/(x2-x1)]

Sub in your points,

m=[(6)-(6)]/(4)-(-3)]
m=(0/7)

Which means that the slope is 0!

7 0

3 years ago

Read 2 more answers

Twelve of the 30 students in the class were boys if each students name is placed in the hat and one name is drawn what is the pr

Ronch [10]

Answer:

I think 3/5??? Im really stupid though. I have a 58% in my math grade!!!!

Step-by-step explanation:

12/30

6/15

2/5

5/5-2/5=3/5?

7 0

3 years ago