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Mariana [72]
3 years ago
12

An amusement park keeps track of the percentage of individuals with season passes according to age category. An independent tour

ist company would like to show that this distribution of age category for individuals buying season passes is different from what the amusement park claims. The tourist company randomly sampled 200 individuals entering the park with a season pass and recorded the number of individuals within each age category.
Age Category Child (under 13 years old) Teen (13 to 19 years old) Adult (20 to 55 years old) Senior (56 years old and over)
Number of Individuals 56 86 44 14
The tourist company will use the data to test the amusement park’s claim, which is reflected in the following null hypothesis. H0:pchild=0.23, pteen=0.45, padult=0.20, and psenior=0.12. What inference procedure will the company use to investigate whether or not the distribution of age category for individuals with season passes is different from what the amusement park claims?
A. A one-sample z-test for a population proportion
B. A two-sample z-test for a difference between population proportions
C. A matched pairs t-test for a mean difference
D. A chi-square test for homogeneity
E. A chi-square goodness-of-fit test
Mathematics
1 answer:
spayn [35]3 years ago
8 0

Answer: chi square test goodness of fit

Step-by-step explanation:

Is used to investigate whether or not there is a significant difference between a distribution generated from a sample and a hypothesize population distribution

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<img src="https://tex.z-dn.net/?f=%5Cqquad%5Chuge%5Cunderline%7B%5Cboxed%7B%5Csf%20%5C%3A%20Question%7D%7D" id="TexFormula1" tit
vovikov84 [41]

So here's gives that

total weight of 25 bags = 50 x 25

= 1250

total cost of 25 bags weighing 50 kg is = 15000

cost of 1 kg = 15000 ÷ 1250 = 12

now total weight of 15 bags weighing 30 kg = 450

cost per kg = 12

cost of 15 bags weighing 30 each = 450 x 12

Answer = 5400 rupees.

5 0
3 years ago
2. The weekly profit function of a company that produces unicorn widgets is P(x)=-0.01x² + 3x-50000, where x is the number of un
sergeinik [125]

Answer:

300

Step-by-step explanation:

I think its 300 but if I'm wrong then XD I Don't know

8 0
2 years ago
All states have an income tax<br> True<br> False
Nadusha1986 [10]

Answer:

false

Step-by-step explanation:

there are several states that dont have an income tax

6 0
3 years ago
Read 2 more answers
So far, you have completed 42 of the 50 multiple choice questions on a test. What percent of test is completed?
BigorU [14]

Answer:

84%

Step-by-step explanation:

if 50(2)=100 then 42(2)=84

7 0
3 years ago
Use the values on the number line to find the sampling error.
pantera1 [17]
Part 1:

Given a number line with the point \bar{x}=3.8 and the point \mu=4.27

The sampling error is given by:

\bar{x}-\mu=3.8-4.27=-0.47



Part 2:

Given a number line with the point \bar{x}=26.43 and the point \mu=24.67

The sampling error is given by:

\bar{x}-\mu=26.43-24.67=1.76
4 0
3 years ago
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