1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Ivanshal [37]
3 years ago
9

Graph the compound inequality on the number line. x 3<=-4 or x>= 3​

Mathematics
1 answer:
Wewaii [24]3 years ago
7 0

Answer:

Is included in the photo

Step-by-step explanation:

Hope I helped, have a nice day :)

You might be interested in
A colony of bacteria starts with 50 organisms and quadruples each day. Write an exponential function, P(t), that represents the
Doss [256]
P(t) = 50 x (4)^t ; 51200 bacteria
5 0
3 years ago
Many high school students take the AP tests in different subject areas. In 2007, of the 144,796 students who took the biology ex
Nataly [62]

Answer:

(0.582-0.485) - 1.64 \sqrt{\frac{0.582(1-0.582)}{144796} +\frac{0.485(1-0.485)}{211693}}=0.0942  

(0.582-0.485) + 1.64 \sqrt{\frac{0.582(1-0.582)}{144796} +\frac{0.485(1-0.485)}{211693}}=0.09978  

And the 90% confidence interval would be given (0.0942;0.09978).  

We are confident at 90% that the difference between the two proportions is between 0.0942 \leq p_A -p_B \leq 0.09978

Step-by-step explanation:

Previous concepts

A confidence interval is "a range of values that’s likely to include a population value with a certain degree of confidence. It is often expressed a % whereby a population means lies between an upper and lower interval".  

The margin of error is the range of values below and above the sample statistic in a confidence interval.  

Normal distribution, is a "probability distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence than data far from the mean".  

p_A represent the real population proportion female for Biology

\hat p_A =\frac{84199}{144796}=0.582 represent the estimated proportion female for biology

n_A=144796 is the sample size for A

p_B represent the real population proportion female for calculus AB

\hat p_B =\frac{102598}{211693}=0.485 represent the estimated proportion female for Calculus AB

n_B=211693 is the sample size required for B

z represent the critical value for the margin of error  

The population proportion have the following distribution  

p \sim N(p,\sqrt{\frac{p(1-p)}{n}})  

The confidence interval for the difference of two proportions would be given by this formula  

(\hat p_A -\hat p_B) \pm z_{\alpha/2} \sqrt{\frac{\hat p_A(1-\hat p_A)}{n_A} +\frac{\hat p_B (1-\hat p_B)}{n_B}}  

For the 90% confidence interval the value of \alpha=1-0.90=0.1 and \alpha/2=0.05, with that value we can find the quantile required for the interval in the normal standard distribution.  

z_{\alpha/2}=1.64  

And replacing into the confidence interval formula we got:  

(0.582-0.485) - 1.64 \sqrt{\frac{0.582(1-0.582)}{144796} +\frac{0.485(1-0.485)}{211693}}=0.0942  

(0.582-0.485) + 1.64 \sqrt{\frac{0.582(1-0.582)}{144796} +\frac{0.485(1-0.485)}{211693}}=0.09978  

And the 90% confidence interval would be given (0.0942;0.09978).  

We are confident at 90% that the difference between the two proportions is between 0.0942 \leq p_A -p_B \leq 0.09978

5 0
3 years ago
What Is the answer please
Anton [14]
Which one 11 or 13. it be easier to know

5 0
3 years ago
Read 2 more answers
How do you simplify the exponent
BigorU [14]
You just apply the ^4 to everything inside.  It multiplies with the powers. of the numbers inside. 9^(1*4) * g^(1*4) * s^(4*4)
5 0
3 years ago
Lena found a 5/8
DENIUS [597]

Answer:

Naomi had the correct measurement the ring weighed 0.625 carats

Step-by-step explanation:

* The diamond ring weighed 5/8 carats

- To know who is right lets change the fraction 5/8 to a decimal number

∵ 5/8 means 5 ÷ 8

- 5 is smaller than 8 so we will multiply it by 10 and

 insert decimal point in the quotient (answer of division)

∴ It will be 50 ÷ 8 = 6 and remainder 2/8 ⇒ 1/4

∴ The quotient = 0.6 and remainder 1/4

- 1 is smaller than 4 so we will multiply it by 10

∴ It will be 10 ÷ 4 = 2 and remainder 2/4 ⇒ 1/2

∴ The quotient = 0.62 and remainder 1/2

- 1 is smaller than 2 so we will multiply it by 10

∴ It will be 10 ÷ 2 = 5 without remainder

∴ The quotient = 0.625

* Naomi had the correct measurement the ring weighed 0.625 carats

8 0
3 years ago
Read 2 more answers
Other questions:
  • Is 147 a prime or composite number please explain
    6·1 answer
  • Jenny is solving the equation 3x+5=x+2 using algebra tiles. She cannot decide if she should add 3 negative x-tiles or add 2 nega
    11·2 answers
  • True or False: A race car driver tested his car for time from 0 to 60 mph, and in 20 tests obtained an average of 4.85 seconds w
    11·1 answer
  • if your know two points on a line, how can you find the rate of change of the variables being graphed
    11·1 answer
  • My dog, Stella, is playing in the park and sees a tree 100m away. Since she is the dog of a mathematics teacher, she knows how t
    6·1 answer
  • Use the distributive property to write<br> 13y - (5x - 3y) + x without parentheses.
    6·1 answer
  • A university council wants to determine the need for a new staff room. The council conducted a survey of the staff by randomly s
    14·1 answer
  • You start driving east for 14 miles, turn left, and drive north for another 6 miles. At the end of driving, what is your straigh
    7·1 answer
  • Use the graph to answer the question.
    8·1 answer
  • Translations geometry
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!