Mathematics, 22.10.2021 21:40, cocaineal
A random sample of 20 purchases showed the amounts in the table (in $). The mean is $49.44 and the standard deviation is $21.38. a) Construct a 99% confidence interval for the mean purchases of all customers, assuming that the assumptions and conditions for the confidence interval have been met. b) How large is the margin of error? c) How would the confidence interval change if you had assumed that the population standard deviation was known to be $22?
Answers: 2
Mathematics, 21.06.2019 19:00, adrianwoods1507
1c) the number 131 is a term in the sequence defined by the explicit rule f(n)=5n-4. which term in the sequence is 131? 2a) write the first four terms of the function f(n)=n^2-1 2b) what is the 10th term of the sequence defined by the explicit rule f(n)=n^2-1 2c) the number 224 is a term in the sequence defined by the explicit rule f(n)=n^2-1. which term in the sequence is 224?
Answers: 2
Mathematics, 21.06.2019 20:40, afletcher2000
If the endpoints of the diameter of a circle are (8, 6) and (2,0), what is the standard form equation of the circle? a) (x + 5)2 + (y + 3)2 = 18 (x + 5)2 + (y + 3)2 = 3.72 (x - 5)2 + (y - 3)2 = 18 d) (x - 5)2 + (y - 3)2 = 32
Answers: 1
Mathematics, 21.06.2019 22:00, only1cache
Find the maximum value of p= 4x + 5y subject to the following constraints :
Answers: 1
Mathematics, 21.06.2019 22:30, smarty5187
One number is 4 less than 3 times a second number. if 3 more than two times the first number is decreased by 2 times the second number, the result is 11. use the substitution method. what is the first number?
Answers: 1
A random sample of 20 purchases showed the amounts in the table (in $). The mean is $49.44 and the s...
English, 22.04.2021 19:30
Physics, 22.04.2021 19:30
Mathematics, 22.04.2021 19:30
Mathematics, 22.04.2021 19:30
Mathematics, 22.04.2021 19:30
Physics, 22.04.2021 19:30
Mathematics, 22.04.2021 19:30