subject
Mathematics, 27.05.2020 12:58 aisha82

In a previous poll, 40% of adults with children under the age of 18 reported that their family ate dinner together seven nights a week. Suppose that, in a more recent poll, 456 of 1194 adults with children under the age of 18 reported that their family ate dinner together seven nights a week. Is there sufficient evidence that the proportion of families with children under the age of 18 who eat dinner together seven nights a week has decreased? Use the alpha equals 0.01 significance level.

ansver
Answers: 3

Another question on Mathematics

question
Mathematics, 21.06.2019 17:00
Select all of the quadrants that the parabola whose equation is y=√x-4 (principal square root) occupies. i ii iii iv
Answers: 3
question
Mathematics, 21.06.2019 20:30
Tom is the deli manager at a grocery store. he needs to schedule employee to staff the deli department for no more that 260 person-hours per week. tom has one part-time employee who works 20 person-hours per week. each full-time employee works 40 person-hours per week. write and inequality to determine n, the number of full-time employees tom may schedule, so that his employees work on more than 260 person-hours per week. graph the solution set to this inequality.
Answers: 2
question
Mathematics, 21.06.2019 21:30
How many terms does the polynomial x^2 y^2 have
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?
In a previous poll, 40% of adults with children under the age of 18 reported that their family ate d...
Questions
question
Mathematics, 05.05.2020 01:55
question
Mathematics, 05.05.2020 01:55
question
Mathematics, 05.05.2020 01:55
question
Biology, 05.05.2020 01:55
question
History, 05.05.2020 01:55
question
Mathematics, 05.05.2020 01:56