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Komok [63]
3 years ago
7

PLS HELP PLS HELP SORRY IF THE SUBJECT DOESNT MATCH

Mathematics
1 answer:
Vesnalui [34]3 years ago
8 0

Answer:

it goes up to thirty

it has millimeters displayed in between

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The sodium content of a popular sports drink is listed as 200 mg in a 32-oz bottle. Analysis of 20 bottles indicates a sample me
julia-pushkina [17]

Answer:

The sample does not contradicts the manufacturer's claim.

Step-by-step explanation:

We are given the following in the question:  

Population mean, μ = 200 mg

Sample mean, \bar{x} = 211.5 mg

Sample size, n = 20

Alpha, α = 0.05

Sample standard deviation, s = 18.5 mg

a) First, we design the null and the alternate hypothesis  for a two tailed test

H_{0}: \mu = 200\\H_A: \mu \neq 200

We use Two-tailed t test to perform this hypothesis.

b) Formula:

t_{stat} = \displaystyle\frac{\bar{x} - \mu}{\frac{s}{\sqrt{n}} } Putting all the values, we have

t_{stat} = \displaystyle\frac{211.5 - 200}{\frac{18.5}{\sqrt{20}} } = 2.7799

c) Now,

t_{critical} \text{ at 0.05 level of significance, 19 degree of freedom } = \pm 2.0930

Since, the calculated t-statistic does not lie in the range of the acceptance region(-2.0930,2.0930), we reject the null hypothesis.

Thus, the sample does not contradicts the manufacturer's claim.

d) P-value = 0.011934

Since the p-value is less than the significance level, we reject the null hypothesis and accept the alternate hypothesis.

Yes, both approach the critical value and the p-value approach gave the same results.

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3 years ago
These scatterplots represent the monthly sales and advertising costs of a company. Which trend line is the best fit for the data
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Answer:

Option D

Step-by-step explanation

I did the assignment

8 0
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it would take 10,800 gallons to fill the pool


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Leroy and Natham because they both had 1 piece left
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5 is what type of number (
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The value 5 is a natural number.

Technically, 5 is all of the above, but classifying it as a natural number means that it is rational and an integer(aka whole number).
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3 years ago
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