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NNADVOKAT [17]
2 years ago
11

Identify the domain of the function shown in the graph. 10- 8 2+ -10-8-64 6 8 10

Mathematics
1 answer:
lozanna [386]2 years ago
4 0
Domain is always all real numbers
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According to data from the state blood program, 40 percent of all individuals have group A blood. Suppose that of six randomly s
Svet_ta [14]

Answer:

b. Yes, probability is > 0.05

Step-by-step explanation:

We have to find P(X=3) and if the probability is below 0.05 then the it would be unusual and if it isn't below 0.05 we believe that the data from the blood program.

This probability can be found bu binomial distribution  with parameters  n=6

and p=0.4.

P(X=x)=nCx(p^x)(q^n-x)

where q=1-p=1-0.4=0.6.

P(X=3)=6C3(0.4^3)(0.6^3)

P(X=3)=20(0.064)(0.216)

P(X=3)=0.27648

As the probability that the three have a blood group is greater than 0.05, so,  we believe that the data from the blood program.

8 0
3 years ago
Find the value of X and QR If M is the midpoint of QR. QM=3x+2 and MR=5x-8
Y_Kistochka [10]
The value of X is 5 and QR is 34
3 0
2 years ago
We would like to estimate the proportion of UF students who owns a scooter to within 1% of the truth, with 95% confidence. We do
professor190 [17]

Answer:

Option A) 9604

Step-by-step explanation:

We are given the following in the question:

Confidence level = 95%

Standard error = 1%

p = q = 0.5

Formula for sample size:

n = (z_{stat}\times \dfrac{p(1-p)}{\text{Standard error}})^2

z_{critical}\text{ at}~\alpha_{0.05} = 1.96

Putting values, we get,

n = (1.96\times \dfrac{0.5(1-0.5)}{0.01})^2 = 9604

Thus, the sample size must be

Option A) 9604

8 0
2 years ago
Mrs. Thomas bought 4 gallons of gas. Her total cost was $6.76.
joja [24]

4 gallons × y dollars/gallon=$6.76

4y=6.76

Divide both sides by 4

Y=$1.69

3 0
3 years ago
Read 2 more answers
To derive the standard formula of a circle, a radius r is constructed as the hypotenuse of a right triangle as shown. On a coord
vlabodo [156]

Answer:

The answer is "x-h and y-k".

Step-by-step explanation:

The center is (h, k) with E (x, y) point, and its length of the legs used during extracting the standard circle equation should be found. Its right triangle length base is (x-h) units, as well as the right triangle's length, is (y-k). So, these are the required leg lengths, that's why the above-given points are correct.    

4 0
3 years ago
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