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Romashka-Z-Leto [24]
3 years ago
12

Eileen randomly chooses 15 seeds from the bag of flower seeds she has left over from last year, and 10 seeds from the bag she bo

ught this year. Which sampling technique did she use to collect the 25 seeds in her sample?
A.simple random sampling
B.systematic sampling
C.convenience sampling
D.stratified random sampling
Mathematics
2 answers:
amm18123 years ago
5 0
I believe it is D, stratified random sampling.
Hope this helps!!

harina [27]3 years ago
5 0
The correct answer would be D.).
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in 6th grade, miguel read 15 books. In 7th grade, he read 21 books. What was the percentage change in the number of miguel read
Savatey [412]

Answer:

40%

Step-by-step explanation:

(21-15)/15=0.4

0.4×100=40

5 0
2 years ago
if the sum of 4 and a number is divided by that number, the result is the quotient of the number and find all such numbers
forsale [732]
4+X/X=X
4+X=X*X
when the answer fits the equation, the answer is correct
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3 years ago
Pls help ASAP ILL GIVE BRAINLYEST
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Xavier

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6 0
3 years ago
Choose all that are correct
iren [92.7K]

Answer:

Step-by-step explanation:

The number of defective laptops = 6/145 * 100 as a percent.

The number of defective laptops = 4.13% in a sample of 145

A: False. The percentage should be the same for 290 laptops. The % does not change. The number of defective laptops will change (12)

B: True. It is a reason assertion that about 4% of all laptops will be defective.

C: True. It is not reasonable to assume that only 0.5 laptops will be defective. .5% is too small.

D: True. 10% is too high.

E: False. The variation should not be much.

3 0
2 years ago
• How can the product of two whole numbers (e.g., 48
ankoles [38]

Let's say we already did the work and found the result of 48*19. That result is 912.

When it comes to multiplying 0.048 and 1.9, we're going to need to do two things to transform those numbers into 48 and 19.

Move the decimal point of 0.048 exactly three spaces to the right. This is the same as multiplying by 1000. So 1000*0.048 = 48

Move the decimal point of 1.9 exactly one space to the right. This is the same as multiplying by 10. So 10*1.9 = 19

Overall, we've multiplied by 1000*10 = 10,000. This means 48*19 = 912 is 10,000 times larger compared to the result of 0.048*1.9

To fix this, we need to divide by 10,000 to get 912/(10,000) = 0.0912

Dividing by 10,000 is the same as moving the decimal point to the left four spaces. Note how 10,000 = 10^4.

I recommend using your calculator to see that 0.048*1.9 = 0.0912 which matches with the previous result we got.

6 0
3 years ago
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