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kumpel [21]
3 years ago
15

Mrs. Kidd took her two children to a waterpark for summer fun. An adult ticket cost $32 and the total price of admission for Mrs

. Kidd's family was $84. How much was a child's ticket?
Mathematics
1 answer:
Leona [35]3 years ago
4 0
32 + 2x = 84
2x = 52
x = 26
child's ticket is $26
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If the standard deviation of a normally distributed population is 22.0 and we take a sample of size 4 then the standard error is
lawyer [7]

Answer:

The standard error is 11.

Step-by-step explanation:

Given : If the standard deviation of a normally distributed population is 22.0 and we take a sample of size 4.

To find : The standard error ?

Solution :

The standard error formula is

SE=\frac{\sigma}{\sqrt{n}}

Where, \sigma=22 is the standard deviation of a normally distributed population

n=4 is the sample size

Substitute the value,

SE=\frac{22}{\sqrt{4}}

SE=\frac{22}{2}

SE=11

Therefore, the standard error is 11.

7 0
3 years ago
What is the surface area of the rectangular pyramid?
Fantom [35]

Answer:

216 sq units

Step-by-step explanation:

4 0
3 years ago
A political action committee is interested in the proportion of all registered voters who will vote "Yes" on a measure to expand
kirza4 [7]

Answer: parameter: The proportion of registered voters who will vote Yes on the measure.

Sample: The 1000 registered voters who participated in the study.

Statistic: The proportion of the 1000 registered voters that were surveyed who will vote Yes on the measure.

Variable: Yes or No for each registered voter

Population: All registered voters in the US

Data: The list of Yes and No answers that were given by the 1000 participants in the study.

Step-by-step explanation:

Definitions of the given terms:

  • Population: Large groups of individuals having similar characteristics as per the researcher's point of view.
  • Sample: It is a subset of the population used to represent it.
  • Parameter: Measure of particular characteristics in the population.
  • Statistic: Measure of particular characteristics in the sample.
  • Variable: Characteristics that vary.
  • Data: A collected information facts and statistics.

Hence, by using the above definitions, we have

  • Parameter: The proportion of registered voters who will vote Yes on the measure.
  • Sample: The 1000 registered voters who participated in the study.
  • Statistic: The proportion of the 1000 registered voters that were surveyed who will vote Yes on the measure.
  • Variable: Yes or No for each registered voter.
  • Population: All registered voters in the US.
  • Data: The list of Yes and No answers that were given by the 1000 participants in the study.
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3 years ago
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44 boxes. 22 / 1/2 = 44
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