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3 years ago

Whats 7589 divided by 4 to the 9th power and then multiply the answer and add 5 to that answer

1 answer:

7 0

What grade are you in that is super hard sorry
maybe when you get to school you can ask your teacher to explain it to you

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A manufacturer of banana chips would like to know whether its bag filling machine works correctly at the 419 gram setting. It is

Dahasolnce [82]

Answer:

The calculated t- value = 1.09 > 3.19 at 0.025 level of significance

Null hypothesis is rejected

There is sufficient evidence to support the claim that the bags are underfilled

Step-by-step explanation:

Step(i):-

Given the mean of the Population(μ) = 419 grams

The sample size 'n' =19

Given mean of the sample x⁻ = 412

Given variance of the sample S² = 784

S = √784 = 28

Step(ii):-

Null hypothesis: H₀: There is no sufficient evidence to support the claim that the bags are underfilled.

Alternative hypothesis: H₁:

There is sufficient evidence to support the claim that the bags are underfilled.

Test statistic

$t = \frac{x^{-} -mean}{\frac{S}{\sqrt{n} } }$

$t = \frac{412 -419}{\frac{28}{\sqrt{19} } }$

t = -1.09

|t| = |-1.09|

Degrees of freedom ν = n-1 = 19-1 =18

t₀.₀₂₅ = 3.19

Final answer:-

The calculated t- value = 1.09 > 3.19 at 0.025 level of significance

Null hypothesis is rejected

There is sufficient evidence to support the claim that the bags are underfilled

8 0

3 years ago

6 times a number is 27 less then the square of that number find the positive soloution

ella [17]

Answer:

Step-by-step explanation:

n2-27=6n

Than n (exponet) 2 - 27 - 6n = 0

Now factor (n-9)(n+3)=0

5 0

3 years ago

After traveling steadily at 400 meters above a shipwrecked hull, a submerged vessel starts to descend when its ground distance

Minchanka [31]

Answer:

im trying to find this answer too dont worry :(

Step-by-step explanation:

I dont know

5 0

3 years ago

Read 2 more answers

Use the properties of exponents to rewrite the expression (-3yz)(-3yz)(-3yz)(-3yz)

Ipatiy [6.2K]

$\bf (-3yz)(-3yz)(-3yz)(-3yz)\implies (-3yz)^1(-3yz)^1(-3yz)^1(-3yz)^1 \\\\\\ (-3yz)^{1+1+1+1}\implies (-3yz)^4\implies (-3)^4 y^4 z^4\implies 81y^4 z^4$

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3 years ago

Lelu [443]

Answer:

b easy question but can I get brainliest

Step-by-step explanation:

7 0

2 years ago