MATHEMATICS COLLEGE

Is 16-7=4+5 true, false, or open?

Answers

Answer 1
Answer:

Answer:

open

Step-by-step explanation:
Answer 2
Answer:

Answer:

This is True.

Step-by-step explanation:

16-7=9

5+4=9

same ting

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Find the measure of <8

Select all the equations where b = 11 is a solution. I need the answer quickly please.​

Answers

Answer:

c

Step-by-step explanation:
The answer is : D and C

Which of the following graphs is a function?

Answers

Answer:

a

Step-by-step explanation:

because of the line test

There are 500 employees in a firm, 45% are female. a sample of 60 employees is selected randomly. the probability that the sample proportion of females is between 0.40 and 0.55 is

Answers

Let X be the number of female employee. Let n be the sample size, p be the probability that selected employee is female.

It is given that 45% employee are female it mean p=0.45

Sample size n=60

From given information X follows Binomial distribution with n=50 and p=0.45

For large value of n the Binomial distribution approximates to Normal distribution.

Let p be the proportion of female employee in the given sample.

Then distribution of proportion P is normal with parameters

mean =p and standard deviation = \sqrt{(p(1-p))/(n)}

Here we have p=0.45

So mean = p = 0.45 and

standard deviation = \sqrt{(0.45(1-0.45))/(60)}

standard deviation = 0.0642

Now probability that sample proportions of female lies between 0.40 and 0.55 is

P(0.40 < P < 0.45) = P((0.40 - 0.45)/(0.0642) < (P-mean)/(standard deviation) < (0.55- 0.45)/(0.0642) )

= P(-0.7788 < Z < 1.5576)

= P(Z < 1.5576) - P(Z < -0.7788)

= P(Z < 1.56) - P(Z < -0.78)

= 0.9406 - 0.2177

= 0.7229

The probability that the sample proportion of females is between 0.40 and 0.55 is 0.7229

Final answer:

To find the probability that the sample proportion of females is between 0.40 and 0.55, convert the sample proportions to z-scores and use the z-table to find the probabilities.

Explanation:

To find the probability that the sample proportion of females is between 0.40 and 0.55, we need to find the z-scores associated with these proportions and use the z-table to find the probabilities.

First, we need to convert the sample proportions to z-scores using the formula: z = (p - P) / √(P(1-P) / n), where p is the sample proportion, P is the population proportion, and n is the sample size.

Once we have the z-scores, we can use the z-table to find the probabilities. The probability that the sample proportion of females is between 0.40 and 0.55 is the difference between the probabilities associated with the z-scores for 0.40 and 0.55.

Learn more about Probability here:

brainly.com/question/32117953

#SPJ3

In? gambling, the chances of winning are often written in terms of odds rather than probabilities. The odds of winning is the ratio of the number of successful outcomes to the number of unsuccessful outcomes. The odds of losing is the ratio of the number of unsuccessful outcomes to the number of successful outcomes. For? example, if the number of successful outcomes is 2 and the number of unsuccessful outcomes is? 3, the odds of winning are 2:3(Note; if the odds of winning are 2/3, the propability of sucess is2/5)The odds of event occuring are 1:6. Find (a) the propability that the event will occur,(b) propability that the event will not occur.

(a)The propability that event will occur is....(TYPE AN INTEGER OR DECIMAL ROUNDED TO THE NEAREST THOUSANDTH AS NEEDED.)

(b)The propability thet the event will not occur is...(TYPE AN INTEGER OR DECIMAL ROUNDED TO THE NEAREST THOUSANDTH AS NEEDED)

Answers

Answer:

A) The probability that the event will occur=(1)/(7)

B)The probability that the event will not occur = (6)/(7)

Step-by-step explanation:

We are given that The odds of event occurring are 1:6.

So, Number of successful events = 1

Number of unsuccessful events = 6

So, Total events = 6+1=7

a)the probability that the event will occur=\frac{\text{Favorable event}}{\text{Total event}}

The probability that the event will occur=(1)/(7)

b)The probability that the event will not occur =\frac{\text{Favorable event}}{\text{Total event}}

The probability that the event will not occur = (6)/(7)

What’s the correct answer for this?

Answers

Answer:

C

Step-by-step explanation:

HJN IS SIMILAR TO PQN

Find the mean of the set of data: 10,12,29,2,19,42,23,23

Answers

Answer:

20

Step-by-step explanation:

mean is average

add all numbers get 160

divide by number of numbers (8) and get 20

Answer:

when you find the mean of a data set, you add all the numbers up then you divide the sum by the numbers in total. the sum is 160, you then divide by total of number which is 8 . your answer is 20. not sure if that made sense lol
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