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Sindrei [870]
2 years ago
10

Listed below are brain volumes (cm3) of unrelated subjects used in a study. Assume the data is from a simple random sample. Use

a 0.01 significance level and the critical values method to test the claim that the population of brain volumes has a mean equal to 1100.0cm3. Be sure to include all steps of a hypothesis test.
963
1027
1272
1079
1070
1173
1067
1347
1100
1204
Mathematics
1 answer:
sineoko [7]2 years ago
5 0
The critical values of z= -2.575 and z= 2.575
the formula z= x bar- u/sigma / square root of n

but in general, we state a hypothesis. 
then compare the results to determine which hypothesis is most likely
you seem to have the right idea that its a 2 tailed test of equality.
 


± 2.575 = x− μ σ / √n

CI : x ± 2.575 (σ/√n) = μ
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the points A (1, 5), B (5, 5) and C (5, 1) are 3 corners of a square ABCD. what are the coordinates of D, the 4th corner
bogdanovich [222]

Answer:

(1,1)

This is the answer

3 0
2 years ago
(8.218+9.93)+(17.782+0.07)
Licemer1 [7]
First, using the order of operations(PEMDAS), you would solve what is inside the parenthesis. 
<span>(8.218 + 9.93) + (17.782 + 0.07)
(</span>18.148) + (17.852)
18.148 + 17.852

Now, all you would have to do is add the two sums. 
18.148 + 17.852 = <span>36
</span>
The answer would be 36. 

I hope this helps!

5 0
2 years ago
Seven Applicants for a Job - F, G, H, I, J, K, and L are each to be interviewed on monday or Tuesday . Each
stiks02 [169]

Answer:

I would guess its D. Because it is the one that makes the most sense.

Step-by-step explanation:

H and L has to be on the same day with no other application so not A, B, or C because there is L in all of them.

Hope I helped!

6 0
2 years ago
a school baseball team raised $810 for new uniforms. each player on the team sold one book of tickets. There were 10 tickets in
antiseptic1488 [7]
27
Multiply 10 and 3 because thats how much each book is worth.
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6 0
2 years ago
Grades 3, 4, and 5 have their annual field day together. Each grade level is given 16 gallons of water.
sineoko [7]

Answer:

Their will be enough water for each student to consume 2 cups of water.

Step-by-step explanation:

Grade 3, 4 and 5 have their annual field day together . Each grade level is given 16 gallons of water. This means the three grades have 16 × 3 = 48 gallons of water.

The total students involved is 350 student. The total student is the sum of the student in all three grades.

Since the water will be distributed to the students in cups let us convert gallons to cups.

1 gallons = 16 cups

48 gallons = ? cups

cross multiply

48 × 16 = 768 cups.

768 cups of water is available to be shared among the 350 students.

1 student is entitled to 2 cups of water.

350 students will consume 350 × 2 = 700 cups of water.

Therefore, their will be enough water for each student to consume 2 cups of water.

6 0
2 years ago
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