The stem-and-leaf plot below shows the height of 15 sunflowers grown in the

Mathematics

1 answer:

Sonbull [250]3 years ago

5 0

Answer:

30 is not included

Step-by-step explanation:

The way this stem works is that it separates the numbers for better sorting.

Example:

Set that records 11, 12, 24, 28, 32, 32

The stem and leafs would look like

1 1 2

2 4 8

3 2 2

The sampled bold number indicates that 2 and 8 make up 28.

If you look at the plot, there was no 3 and 0 that would make 30. So that does not exist.

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About 10% of the human population is left-handed. Suppose a researcher speculates that artists are more likely to be left-handed

nevsk [136]

Answer:

Given the information in the question;

a) The parameter of interest is the population of artists who are left-handed and its is 10% = (10/1000 = 0.10

b) The Null hypothesis and alternative hypothesis are;

<em>H₀ : p </em>= 0.10

<em>H₁ : p</em> > 0.10

c) The sample proportion is calculated as:

p = number of left handed artist / sample size

p = 26 / 200

p = 0.13

d) To find the p-value, The researcher should calculate the probability that the sample proportion would be 0.13 or larger for a sample of size 200 if the population proportion is actually 0.10.

4 0

4 years ago

Please help me!!!!!!!!!!!!!!!!!!!!

daser333 [38]

26.25 divided by 3 is 8.75 so the answer is B, just divide the about of money by the number of hours and you have your answer

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2 years ago

Write 2 400 000 in standard form

PolarNik [594]

Answer: 2.4 * 10^6

Step-by-step explanation: What you need to do in order to find the solution is, as you can see in 2,400,000, Just remove all of the zeroes, each zero adds on an exponent number to the 10. Remove 3 zeroes and it becomes 10^3. Remove 4 zeroes and it becomes 10^4. It is 2.4 because you only want to have one value above the decimal point.

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3 years ago

P is the centroid of triangle ABC. AE=21,CD=14, and BF=11<br><br> What is the length of AP

allsm [11]

The length of AP is 14 units

Step-by-step explanation:

The centroid point of a triangle is:

The point of intersection of the three medians of the triangle
The centroid point divides each median into two segments at a ratio 2 : 1 from its vertex
The length of the segment from the vertex to the centroid is $\frac{2}{3}$ of the length of the median
The length of the segment from the centroid to the base is $\frac{1}{3}$ of the length of the median