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antiseptic1488 [7]
2 years ago
11

Activity 1: Matched pairs or independent/separate samples? For each of the prompts below, decide whether the parameter of intere

st is a mean difference (matched pairs, μ_d) or a difference in means (independent samples, μ_1- μ_2). Students want to know if it matters where they have their cell phone screen repaired. A sample of eight cell phones with broken screens was obtained. For each phone, an estimate for the screen repair in U.S. dollars ($) was obtained from a local store, where the phone would be dropped off and picked up, and from an on-line merchant, where the phone needs to be shipped to a national chain and shipped back. Your goal is determining if, on average, the estimate in dollars for the total repair from the on-line merchant is more (possibly because of the added cost of shipping) than the estimate from a local store.
Computers and Technology
1 answer:
cestrela7 [59]2 years ago
6 0

Answer:

:^{)

Explanation:

( ´・・)ノ(._.`)

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Write a algorithm to attend birthday party​
kolezko [41]

Answer:

2     No

5 14    Yes

Explanation:

8 0
2 years ago
Read 2 more answers
Write a program that creates a dictionary containing the U.S. states as keys and their capitals as values. (Use the Internet to
Dima020 [189]

Answer:

  1. import random  
  2. states = {
  3.    "Alabama": "Montgomery",
  4.    "California": "Sacramento",
  5.    "Florida": "Tallahassee",
  6.    "Hawaii": "Honolulu",
  7.    "Indiana": "Indianapolis",
  8.    "Michigan": "Lansing",
  9.    "New York": "Albany",
  10.    "Texas" : "Austin",
  11.    "Utah" : "Salt Lake City",
  12.    "Wisconsin": "Madison"
  13. }
  14. correct = 0
  15. wrong = 0
  16. round = 1
  17. while(round <= 5):
  18.    current_state = random.choice(list(states))
  19.    answer = input("What is the capital of " + current_state + ": ")
  20.    
  21.    if(answer == states[current_state]):
  22.        correct += 1
  23.    else:
  24.        wrong += 1
  25.    
  26.    round += 1
  27. print("Correct answer: " + str(correct))
  28. print("Wrong answer: " + str(wrong))

Explanation:

The solution code is written in Python 3.

Line 3 -14

Create a dictionary of US States with capital as each of their corresponding value. Please note only ten sample states are chosen here.

Line 16 - 18

Create variables to track the number of correct and inaccurate response and also round counter.

Line 19 - 28

Set the while condition to enable user to play the quiz for five questions and use random.choice to randomly pick a state from the dictionary and prompt user to input the capital of selected stated.

If the answer matched with the capital value of the selected state, increment the correct counter by one. Otherwise the wrong counter will be incremented by one. Increment the round counter by one before proceed to next round.

Line 30 - 31

Print the number of correct responses and wrong responses.

7 0
2 years ago
Of 500 sessions that occurred on a website during a one-week period, 200 of them started on the homepage; 100 of these 200 sessi
Elena L [17]

Answer:

the homepage bounce rate

Explanation:

Bounce rate is defined as the percentage of people that visits a page on a website and then exit or leave. That is, the visitors did not view any other page except the first one and they just leave the page after that visit. In order to get the bounce rate, the total number of visitors to a single page is taken and its then divided by the total number of visits to the website. For example, if the total number of visitors to a website over a period of time is 3000, while those that only visited a page on the website is 500, then the bounce rate is

(500/3000) * 100 = 16%

For this question, the homepage recorded 100 visited only once out of 200 which means homepage bounce rate is 50% : (100/200)*100

While website bounce rate is total number of bounces across the website/total visit to the website

100+100 =200 this is the total bounces across the website

200/500 :500 is the total visit to the website

(200/500)*100 = 40 %

Therefore the homepage bounce rate is higher than the site bounce rate

7 0
2 years ago
Rohan is creating a presentation with at least 50 slides. He wants the slides to use a consistent layout and formatting. Which o
erma4kov [3.2K]

The parts of the presentation that he should design first is Slide master

Slide master is a slide that enables you  to do the following:

•Modify your presentation to suit your taste

•It enables you to make  a partial or minor change  on the slide layout of your presentation

•Slide master  help you to  create a perfect and special  presentation.

•With Slide master  you can easily modify your slide text color.

Inconclusion The parts of the presentation that he should design first is Slide master.

Learn more about Slide master here:

brainly.com/question/12600334

4 0
2 years ago
In a Diffie-Hellman Key Exchange, Alice and Bob have chosen prime value q = 19 and primitive root a = 10. If Alice's secret key
34kurt

Answer:

a) 6

b) 11

c) 11

Explanation:

Given

Prime value q =n= 19

primitive root (a) =10

Alice secret key = 4

Bob secret key = 6

a) The value Alice Sends to Bob

a​​​​​Private key of Alice mod n

= 10^4 mod 19

= 10000 mod 19

=6

b)The value Bob sends to Alice

a​​​​​Private key of Bob mod n

= a​​​​​​3​​​​​ mod n

= 10^6 mod 19

=1000000 mod 19

= 11

c)

Both the parties calculate the value of secret key at their respective side.

secret key obtained by Alice

= 11

secret key obtained by Bob

= 11

Finally, both the parties obtain the same value of secret key.

The value of common secret key = 17

6 0
2 years ago
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