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GarryVolchara [31]
3 years ago
10

PLZ HELP I AM GONNA FAIL JUST EXPLAIN WHAT TO DO ​

Mathematics
1 answer:
Alexxandr [17]3 years ago
8 0
A number cube is a die (singular for dice). List all of the possible outcomes of a die (list numbers of 1 to 6), and next to those numbers, determine if they are even or odd.
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A laboratory tested 85 chicken eggs and found that the mean amount of cholesterol was 190 milligrams. Assume that the sample sta
Serjik [45]

Answer:   (182.356,\ 197.644)

Step-by-step explanation:

Given : Significance level : \alpha:1-0.95=0.05

Sample size : n=85

Critical value : z_{\alpha/2}=1.96

Sample mean : \overline{x}=190

Standard deviation : \sigma=11.7

The confidence interval for population mean is given by :-

\overline{x}\pm z_{\alpha/2}\dfrac{\sigma}{\sqrt{n}}\\\\=190\pm(1.96)\dfrac{11.7}{\sqrt{9}}\\\\=190\pm7.644\\\\=(190-7.644,\ 190+7.644)=(182.356,\ 197.644)

Thus, the 95% confidence interval for the true mean cholesterol content, μ, of all such eggs = (182.356,\ 197.644)

Hence, we conclude that the true population mean of amount of cholesterol lies between 182.356 and 197.644.

5 0
3 years ago
Given sin
Effectus [21]

Answer: \frac{11}{12}

Step-by-step explanation:

<u>Use trigonometry (shown in image below) to find the 3 side-lengths:</u>

  • The side opposite of θ = \sqrt{23}
  • The base side adjacent to θ = 11
  • The hypotenuse = 12

<u>According to right triangle trigonometry:</u>

cos θ = \frac{adjacent}{hypotenuse}

<u>Substitute in the values:</u>

cos θ = \frac{11}{12}

5 0
3 years ago
What are two factors of 24 that add to be 10? separate each factor by a comma
grigory [225]
6 and 4. The answer has to be 20 characters long in order to post so ignore this part.
6 0
3 years ago
Which of the following sets of numbers could represent the
Shtirlitz [24]

Answer:

b i think tell me if i am wrong.

Step-by-step explanation:

5 0
3 years ago
Which statements correctly describe the solid figure? Check all that apply.
bixtya [17]
The correct answer is:
A. It is an octogenarian prism.
C. It is oblique.
E. It is a convex polyhedron.
6 0
3 years ago
Read 2 more answers
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