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2 years ago

Which values from set 1,2,3,4,5 make the inequality true n + 2 < 6

Mathematics

1 answer:

Sonbull [250]2 years ago

3 0

Answer:

1, 2, and 3

Step-by-step explanation:

You can simplify n+2<6 by subtracting 2 from both sides to get n<4. Now you just select all options less than 4 which include 1, 2, and 3. The reason 4 is not a solution is because it is equal to, but not less than, 4. Sense 5 is greater than 4 it is not a correct answer either.

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A test is made of H subscript 0 colon space mu space equals space 43 space space v e r s u s space space H subscript 1 colon spa

sweet [91]

Answer:

The calculated value Z = 1.39 <1.96 at 0.05 level of significance

The null hypothesis is accepted

Step-by-step explanation:

Step(i):-

Given that the mean of the Population = 43

Given that the mean of the sample = 47

Given that the standard deviation of the Population = 25

Given that the sample size 'n' = 76

Step(ii):-

Null hypothesis:H₀: μ = 43

Alternative Hypothesis: H₁: μ ≠ 43

Test statistic

$Z = \frac{x^{-}-mean }{\frac{S.D}{\sqrt{n} } }$

$Z = \frac{47-43 }{\frac{25}{\sqrt{76} } }$

Z = 1.39

Level of significance = 0.05

The critical value = 1.96

Final answer:-

The calculated value Z = 1.39 <1.96 at 0.05 level of significance

The null hypothesis is accepted

4 0

2 years ago

How many moles are in a sample of 4.57 x 1024 atoms of neon (Ne)?

damaskus [11]

Answer:

151 mol Ne.

Step-by-step explanation:

I did work on Paper sorry if i can't type it, It'll mess it up.

3 0

3 years ago

Harriet rolls a number cube what is the probability that the number cube will land on three or four

makvit [3.9K]

Her chances of getting that should be 2/6

6 0

3 years ago

Solve: p - 8 = -16 20 characters rule

vlada-n [284]

Answer: p-8=-16

p=-16+8

p=-8

6 0

2 years ago

Read 2 more answers

The triangle has side lengths 10cm, 24cm, and 28cm, is it a right triangle? Explain please i dont understand

Nitella [24]

In every right triangle, if you add up the squares of the two
shorter sides, you get the square of the longest side. If you
don't then it's not a right triangle.

10² = 100
24² = 576

100 + 576 = 676

676 is the square of 26.
It's NOT the square of 28.

So 10 - 24 - 28 is not a right triangle.

8 0

3 years ago

Read 2 more answers