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Rina8888 [55]
3 years ago
14

Please help!!!!!!

Mathematics
1 answer:
melamori03 [73]3 years ago
6 0
It is <span>flipping a balanced coin hope you like my answer
</span>
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A manufacturer of chocolate chips would like to know whether its bag filling machine works correctly at the 404 gram setting. It
Nezavi [6.7K]

Answer:

There is no sufficient evidence to support the claim that the bags are underfilled

Step-by-step explanation:

We are given;

n = 27 bags

Sample mean;X = 402 gram

Population mean;μ = 404 gram

Variance = 676

We know that, standard deviation(σ) = √variance

Thus;

σ = √676

σ = 26

The hypotheses are;

Null hypothesis; H0: μ = 404

Alternative hypothesis; HA: μ < 404

Let's find the z-score from the formula;

z = (X - μ)/(√σ/n)

z = (402 - 404)/√(26/27)

z = -2.04

From the z-distribution table attached, we have a p-value of 0.02068

This is less than the significance value of 0.01 and thus we will reject the null hypothesis and conclude that there is no sufficient evidence to support the claim that the bags are underfilled

6 0
3 years ago
Rewrite the expression with rational exponents as a radical expression.
Jlenok [28]

Answer:

(cube√7x)^2

see above

(√7x)^3

(7√x)^3

6 0
3 years ago
What is equivalent to 5-squared3
pentagon [3]

Answer: 125

Step-by-step explanation:

5^3=5*5*5=125

-5^3=(-5)*(-5)*(-5)=25*(-5)=-125

5 0
3 years ago
What is the number if 50% of 25% of the number is 96
tamaranim1 [39]

Answer:

12

Step-by-step explanation:

the number is 96

hence,

25% of 96=

25/100*96/1

=24

50% of 24=

50/100*24/1=

12

it also possible that you're to sum them,but since you were not asked for the sum of the number the answer is 12.

3 0
3 years ago
Read 2 more answers
A circular playground force daycare center is to be covered with square tiles that are 9 inches on each side. The circle has a d
Luda [366]

You would need 9 boxes of tiles to cover it.


I hope this helps! :)

7 0
3 years ago
Read 2 more answers
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