Mathematics, 14.06.2021 17:00 kland5460
A sample of 16 ATM transactions shows a mean transaction time of 67 seconds with a standard deviation of 12 seconds. Find the test statistic to decide whether the mean transaction time exceeds 60 seconds.
a. 1.457
b. 2.333
c. 1.848
d. 2.037
Answers: 3
is the value tested at the null hypothesis, s is the standard deviation of the sample and n is the size of the sample.
Another question on Mathematics
Mathematics, 21.06.2019 18:00
Jacob signs up to work for 2 1/2 hours at the school carnival. if each work shift is 3/4 hour, how many shifts will jacob work? (i just want to double check : |, for anybody that responds! : )
Answers: 3
Mathematics, 21.06.2019 22:30
Use the following statements to write a compound statement for the conjunction or disjunction. then find its truth value. p: an isosceles triangle has two congruent sides. q: a right angle measures 90° r: four points are always coplanar. s: a decagon has 12 sides. a) a right angle measures 90° or an isosceles triangle has two congruent sides; true. b) a right angle measures 90° and an isosceles triangle has two congruent sides; true. c) a right angle measures 90° and an isosceles triangle does not have two congruent sides; false. d) a right angle measures 90° or an isosceles triangle does not have two congruent sides; true.
Answers: 3
Mathematics, 21.06.2019 23:30
Which rule describes the composition of transformations that maps △abc to △a”b”c
Answers: 2
You know the right answer?
A sample of 16 ATM transactions shows a mean transaction time of 67 seconds with a standard deviatio...
Questions
Mathematics, 11.04.2021 08:50
English, 11.04.2021 08:50
Business, 11.04.2021 08:50
History, 11.04.2021 08:50
Chemistry, 11.04.2021 08:50
History, 11.04.2021 08:50
English, 11.04.2021 08:50
Physics, 11.04.2021 08:50
Chemistry, 11.04.2021 08:50
Physics, 11.04.2021 08:50
History, 11.04.2021 08:50
Mathematics, 11.04.2021 08:50
