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Lelechka [254]
3 years ago
9

Pter 4 Practice Quiz

SAT
1 answer:
jekas [21]3 years ago
8 0

Answer:

3

Explanation:

9 month pregnancy is grouped into 3, 3 month trimesters

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Two 99 percent confidence intervals will be constructed to estimate the difference in means of two populations, r and w. One con
Phoenix [80]

The option that describes the relationship between the two confidence intervals is; The width of I₈₁ will be¹/₉ the width of I₉

<h3>How to calculate width of the confidence interval with normal distribution?</h3>

The width of the confidence interval will be calculated from the formula;

W = 2Z(σ/√n)

where;

z is the z-score at given confidence level

σ is standard deviation

n is sample size

For first sample;

W_i9 = 2Z(σ/√9)

W_i9 =  ²/₃Zσ

For second Sample;

W_i81 = 2Z(σ/√81)

W_i81 = ²/₉Zσ

Thus, we will have;

W_i9/W_i81 = (²/₃Zσ)/(²/₉Zσ)

W_i9/W_i81 = 9

W_i81 = ¹/₉W_i9

Read more about width of confidence interval at; brainly.com/question/15934877

6 0
3 years ago
A museum sells only three tupes of tickets : child, adult, and senior tickets. on friday , 340 tickets were sold, of which 95 we
larisa86 [58]
Use the information you are given. We know the total amount of tickets sold was 340 and that 95 of them were child tickets. If you subtract this, you’re left with 245. It now says the number of senior tickets was less than the child tickets so as a maximum that amount would be 94. 245-94=151 and that’s your final answer
6 0
3 years ago
Which of the following is not a possible cross section of a rectangular prism?
statuscvo [17]

Answer:

Trapezoid, Triangle, Rectangle, Oval

Explanation:

A cross - section the intersection of a 3 dimensional figure and a plane.

8 0
3 years ago
Fill in the table below by providing a date and a meaningful description of each of the events listed. Be sure to identify the i
valentina_108 [34]

From the information given, the following can be deduced:

Cuban Revolution: It should be noted that there was large scale migration from Cuba after the revolution in 1959.

Great Depression: It began in 1932 when severe droughts hit the country. This led to a worsening economic situation.

Information Reform and Control Act of 1986: The law criminalized the pattern of hiring unauthorized alien. This was done in order to curb undocumented immigration.

Japanese Internment: This was the forceful relocation of the Japanese during World War II.

Nativism: This policy was adopted to protect the interest of the established citizens against immigrants.

Comprehensive Reform Act of 2007: The bill was discussed in order to provide legal status for undocumented immigrants.

Learn more about immigration on:

brainly.com/question/24475673

6 0
2 years ago
In the passage, what event leads to a significant change in theodora’s circumstances?.
Vlada [557]

Based on the information given, it should be noted that in order to understand the event that leads to a significant change in Theodora’s circumstances, it is important to understand the plot in the story.

<h3>What is a plot?</h3>

Your information is incomplete as you did not provide the passage. It should be noted that the plot is the sequence of events that enhances the principle of cause-and-effect in the story.

In this case, it is important to read and understand the story. Also, understand the theme and the plot. This is vital to know the event that leads to a significant change in Theodora’s circumstances?.

Learn more about plots on:

brainly.com/question/1909141

8 0
3 years ago
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