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NNADVOKAT [17]
3 years ago
8

If the table represents a linear function, what's the missing value of y?

Mathematics
1 answer:
Svetach [21]3 years ago
3 0
C) 13

The y value adds one by every x; therefore 4 would be 13.
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A random sample of 11 fields of rye has a mean yield of 20.1 bushels per acre and standard deviation of 7.66 bushels per acre. D
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Answer:

17.1≤x≤23.1

Step-by-step explanation:

The formula for calculating the confidence interval is expressed as;

CI = x ± z*s/√n

x is the mean yield = 20.1

z is the 80% z-score = 1.282

s is the standard deviation = 7.66

n is the sample size =  11

Substitute

CI = 20.1 ± 1.282*7.66/√11

CI = 20.1 ± 1.282*7.66/3.3166

CI = 20.1 ± 1.282*2.3095

CI =  20.1 ±2.9609

CI = (20.1-2.9609, 20.1+2.9609)

CI = (17.139, 23.0609)

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A carnival is selling ride tickets 5 for $6, 10 for $12, or 15 for $18. What is
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Answer:

one ticket is $1.20

Step-by-step explanation:

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Construct a 99% confidence interval for the population standard deviation of white blood cell count (in cells per microliter). A
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Answer:

The correct option is 1.148 < σ < 6.015

Explanation:

The 99% confidence interval for the standard deviation is given below:

\sqrt{\frac{(n-1)s^{2}}{\chi^{2}_{\frac{0.01}{2} }} }

Where:

\chi^{2}_{\frac{0.01}{2} }=18.548

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Therefore, the option 1.148 < σ < 6.015 is correct

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