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Fantom [35]
2 years ago
11

Select the two recommendations that would decrease the margin of error of the interval.

SAT
1 answer:
geniusboy [140]2 years ago
8 0

From the options given, the only option which would result on having a reduced error margin, is to increase the sample size.

<u>Recall</u><u> </u><u>:</u><u> </u>

<em>Margin of Error</em> = Zcritical × σ/√n

  • Increasing the mean would have no impact on the margin of error as it is not a part of the factors which affects the margin of error value.

  • Increasing the standard deviation, which is the Numerator will result in an increased margin of error value.

  • By raising the confidence level, the critical value of Z will increase, hence widening the margin of error.

  • The sample size, n being the denominator, would reduce the value of error margin.

Hence, only the sample size will cause a decrease in the margin of error of the interval.

Learn more : brainly.com/question/25569754

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A coworker performs a large favor for you. Based on ________, you will now feel obligated to do a favor for them. Group of answe
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Based on <u>the </u><u>norm</u><u> of </u><u>reciprocity</u>, you will feel obligated to do a favor for a coworker when he or she performs a large favor for you.

<h3>What is the norm of reciprocity?</h3>

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2 years ago
In the system of equations above,K is a constant and x and y are variable. For what value of k will the system of equations have
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3 0
3 years ago
What it means that [If x is a factor of p(x), what is the value of k?]
kompoz [17]

Answer:

k = -4

Explanation:

Given

P(x) = (3x^2 - 5)(x + k) - 20

x is a factor

Required

Solve for k

x is a factor means that the polynomial can be divided successfully by x.

In other words, x is a zero of the polynomial.

i.e.

x = 0 and P(x) = 0

Substitute 0 for x in P(x)

P(x) = (3x^2 - 5)(x + k) - 20

P(x) = (3*0^2 - 5)(0 + k) - 20

P(x) = (0- 5)(k) - 20

P(x) = (-5)(k) - 20

P(x) = -5k - 20

Substitute 0 for P(x)

0 = -5k - 20

Collect Like Terms

5k = - 20

Divide both sides by 5

k = -4

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2 years ago
This refers to the drum instrument consists of double-headed played with hands​
Anni [7]

Answer:

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