STATS:DATA+MODELS-MY LAB ACC >CUSTOM<
21st Edition
ISBN: 9780137643127
Author: DeVeaux
Publisher: PEARSON
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Chapter 4, Problem 16E
a.
To determine
Find the most expensive commodity.
b.
To determine
Whether the prices of dozen eggs are ever more expensive than Cappuccino.
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Calculate the 95% confidence intervals for the proportion of children surviving, and the proportion of non-crew adult passengers surviving. We want to use the given data to make inferences about the general population of all large boat crashes, so the data set should be treated as a random sample for this purpose.
Part 2
The 95% confidence interval for survival rate amongst non-crew adults runs from
enter your response here% to
enter your response here%.
(Round to one decimal place as needed. Use ascending order.)
Part 3
The 95% confidence interval for survival rate amongst children runs from
enter your response here% to
enter your response here%.
(Round to one decimal place as needed. Use ascending order.)
Part 4
Test the alternative hypothesis that the proportion of children surviving does not equal 35%, and next, test the alternative hypothesis that the proportion of non-crew adult passengers surviving does not equal 35%. Again, the data set should…
Using the toddler data table in Question 1,
describe the toddlers in the sample with joint
probabilities only.
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501
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001-009:(00s)
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Right-Handed
Left-Handed
24
Gender
Males
4
Females 2
12
Chapter 4 Solutions
STATS:DATA+MODELS-MY LAB ACC >CUSTOM<
Ch. 4.1 - The Bureau of Transportation Statistics of the...Ch. 4.1 - The Bureau of Transportation Statistics of the...Ch. 4.1 - Prob. 3JCCh. 4 - Prob. 1ECh. 4 - Prob. 2ECh. 4 - 3. Fuel economy The boxplot shows the fuel economy...Ch. 4 - 4. Prisons 2014 In a way, boxplots are the...Ch. 4 - Load factors 2017 by month Here is a display of...Ch. 4 - Load factors 2017 by year Here is a display of the...Ch. 4 - Prob. 7E
Ch. 4 - Load factors 2017 by year again The box plots of...Ch. 4 - Prob. 9ECh. 4 - Load factors 2017 over time, a second look Here is...Ch. 4 - Prob. 11ECh. 4 - Prob. 12ECh. 4 - 15. Cost of living 2016, selected cities To help...Ch. 4 - Prob. 16ECh. 4 - 17. Rock concert deaths Crowd Management...Ch. 4 - Slalom times 2018 The Men’s Giant Slalom skiing...Ch. 4 - Prob. 19ECh. 4 - Prob. 20ECh. 4 - Prob. 21ECh. 4 - Prob. 22ECh. 4 - Prob. 23ECh. 4 - Prob. 24ECh. 4 - Prob. 25ECh. 4 - Prob. 26ECh. 4 - Prob. 27ECh. 4 - Prob. 28ECh. 4 - Prob. 29ECh. 4 - 30. Ozone Ozone levels (in parts per billion, ppb)...Ch. 4 - Prob. 31ECh. 4 - 32. Eye and hair color A survey of 1021 school-age...Ch. 4 - Prob. 33ECh. 4 - 34. Vineyards Here are summary statistics for the...Ch. 4 - 35. Caffeine A student study of the effects of...Ch. 4 - Prob. 36ECh. 4 - Prob. 37ECh. 4 - Prob. 38ECh. 4 - Prob. 39ECh. 4 - Prob. 40ECh. 4 - Prob. 41ECh. 4 - Prob. 42ECh. 4 - Prob. 43ECh. 4 - Prob. 44ECh. 4 - Prob. 45ECh. 4 - Prob. 46ECh. 4 - Prob. 47ECh. 4 - 48. Rainmakers The table lists the amounts of...Ch. 4 - Prob. 49ECh. 4 - Prob. 50ECh. 4 - Prob. 51ECh. 4 - Prob. 52ECh. 4 - 13. Pizza prices by city (Data in Pizza prices)...
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- appropriate probabilities. 19 Using the data from Table 17-1, are gender and political party independent for this group? nis cow sib signia si Falows grillor le pussarrow_forward11 Using the same toddler data, describe the toddlers with marginal probabilities only. BAY bit of benoliesmas (89 abje' jook stages of te cojota ing ou an out of to cojota ovig ber el ba 3+4=029arrow_forward21 Using the data from the table in Question 1, does the dominant hand differ for male toddlers versus female toddlers? (In other words, are these two events dependent?)arrow_forward
- op In a two-way table with variables A and B, does P(A|B) + P(A|B) = 1? பே 69 6 work as m 3 atavs ow to portabagabat sot gaisarrow_forwardIn a two-way table with variables A and B, does P(A|B)+P(A|B)=1? dsins/Ispino936) 1 durab ALED a to gilidadost Earrow_forwardpreference are dependent (you even have to look at the males). Using the bumper sticker data in the first example problem in this chapter, are car age and number of bumper stickers related (In other words, are these two events dependent?) d insbusqabni oss agit ads bms gliw woy tadi validadong ada 15W wex s m ad ow MP gliw Boy 1st yilidadong at al terW .d Shsed smo viaxe 5X9 of pe 012 from 12 or to HOM qose Aunt swam to prepants M&arrow_forward
- 23 வ dous biops Which marginal probabilities that you find in a two-way table should sum to 1? 著arrow_forwardUsing the toddler data from the table in Question 1 and appropriate probability notation, do the following: a. Compare the right-handed female and male toddlers in the sample, using condi- tional probabilities (only). b. Compare the right-handed toddlers asid in the sample, using conditional probabilities (only).dependent abni sis & bas bax bensqged snavs med) galworl andarrow_forwardUsing the toddler data from the table in Question 1 and appropriate probability notation, identify and calculate the following: a. What percentage of the male toddlers are right-handed? te b. What percentage of the female toddlers are right-handed? c. What percentage of the right-handed toddlers are male? d. What percentage of the right-handed toddlers are female?arrow_forward
- 10 Using the toddler data from the table in Question 1 and the appropriate probability Tonotation, identify and calculate ther s following: a. What percentage of the toddlers are right-handed? b. now to What percentage of the toddlers are female? female? da boit vom wo c. What proportion of the toddlers are left-handed? d. What's the chance of finding a male toddler from the sample? [10arrow_forward9 Using the car data from the bumper sticker table earlier in this chapter and the appro- priate probability notation, identify and calculate the following: a. What percentage of the cars are newer cars? b. What's the proportion of older cars? c. What percentage of the cars have a lot of bumper stickers? d. What's the probability that a car doesn't have a lot of bumper stickers?arrow_forwardSuppose that you roll a single die two times, and the trials are independent. What is the chance of rolling two 1s?arrow_forward
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