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True [87]
3 years ago
5

How do you do this question

Mathematics
1 answer:
lorasvet [3.4K]3 years ago
8 0

You have to do exactly what it says calculate the length of that part of the shape.

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In the largest clinical trial ever​ conducted, 401,974 children were randomly assigned to two groups. The treatment group consis
BARSIC [14]

Answer:

The requirements for the hypothesis test does satisfied the method for testing the claim that from two population proportions the rate of polio is less for children given the salk vaccine.

Step-by-step explanation:

The percentage of children in the treatment group was:

(201229/401974)*100 = 49.9%

The percentage of children given placebo was:

(200745/401974)*100 = 50.1%

The percentage of children that developed polio in the treatment group:

(33/200745)*100 = 0.0164%

The percentage of children that developed polio in the placebo group:

(115/201229)*100 = 0.0571%

The percentage difference between the two group:

((0.0571-0.0164)/0.0571) = 61.62%

Therefore:

The amount of children used for each group was almost divided into half of the total amount of children. The test revealed although very small percentages of the both group developed polio, 68.62% more children given placebo than the children that was given the salk vaccine. Therefore, the study shows that the rate of polio is less for children given the salk vaccine and the the hypthesis test is satisfied.

6 0
3 years ago
Activity
astraxan [27]

Answer:

No.

The most appropriate unit to measure the mesoplankton is centimeter.

The size is 2 cm.

Step-by-step explanation:

Earlier, you found the size of a mesoplankton to be 2 \times 10^{-2} meter.

I think that meters are not the most appropriate unit to represent the size of a mesoplankton.

The most appropriate unit to measure the mesoplankton is centimeter.

Now, 1 meter is equivalent to 100 centimeters.

So, the size of the mesoplankton in centimeter units will be 2 \times 10^{-2} \times 100 = 2 cm. (Answer)

3 0
3 years ago
Help me please solution.
Alex17521 [72]

Factors of 26: <u>1</u>, <u>2,</u> 13, 26              (1 × 26, 2 × 13)

Factors of 42: <u>1</u>, <u>2</u>, 3, 6, 7, 14, 21, 42              (1 × 42, 2 × 21, 3 × 14, 6 × 7)


The greatest common factor they have is 2

4 0
3 years ago
Read 2 more answers
HELP NOW PLLLLLZZZZZ!
dedylja [7]

Answer: The car would need 0.3 gallons of fuel to travel 20km.

Step-by-step explanation: 40mile x 1.6km = 64km

                                           1 gallon     1 mile    1 gallon

20km ÷ 64km = 0.3125

6 0
3 years ago
Read 2 more answers
{ 60÷[ 3× (212+112 ) ] }+80
Allushta [10]

Answer:

your answer is 96.2

Step-by-step explanation:

212+112=324

324×3=972

972÷60=16.2

16.2+80=96.2

hope this helps:)sorry if it doesnt

3 0
3 years ago
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