subject
Mathematics, 12.08.2019 18:30 mem8163

Crawling data collected by child development scientists produced this confidence interval for the average age (in weeks) at which babies begin to crawl: a) explain carefully what the software output means. b) what is the margin of error for this interval? c) if the researcher had calculated a 90% confidence interval, would the margin of error be larger or smaller? explain.

ansver
Answers: 3

Another question on Mathematics

question
Mathematics, 21.06.2019 13:00
Atriangle includes one angle that 72º. which pair could be the measures of the other two angles of the triangle? a. 9º, 9º b. 26º, 46º c. 53º, 55º d. 72º, 108º
Answers: 2
question
Mathematics, 21.06.2019 17:00
At the beginning of the day, stock xyz opened at $6.12. at the end of the day, it closed at $6.88. what is the rate of change of stock xyz? a. 1.17% b. 11.0% c. 12.4% d. 81.5%
Answers: 1
question
Mathematics, 21.06.2019 21:30
Mr. vector door is buying two new cowboy hats all together the hats cost $75.12 the second heart cost twice as much as the first hat what is the price of the more expensive at round to the nearest hundredth
Answers: 1
question
Mathematics, 21.06.2019 22:00
Serena is making an experiment. for that, she needs 20 grams of a 52% solution of salt. she has two large bottles of salt water: one with 40% and the other with 70% of salt in them. how much of each must she use to make the solution she needs? i am in need of
Answers: 1
You know the right answer?
Crawling data collected by child development scientists produced this confidence interval for the av...
Questions
question
Spanish, 20.05.2021 19:10
question
Mathematics, 20.05.2021 19:10
Questions on the website: 13722363