subject
Mathematics, 24.04.2020 22:35 kyleee1991

Loretta, who turns 91 this year, has heard that the mean systolic blood pressure among the elderly is 120 millimeters of mercury (mmHg), but she believes that the actual value is higher. She bases her belief on a recently reported study of 17 randomly selected, elderly adults. The sample mean systolic blood pressure of the adults in the study was 130 mmHg, and the sample standard deviation was 23 mmHg. Assume that the population of systolic blood pressures of elderly adults is normally distributed. Based on the study, at the 0.1 level of significance, can it be concluded that µ, the mean systolic blood pressure among elderly adults, is greater than 120 mmHg? Carry your intermediate computations to at least three decimal places. Make sure to fol

ansver
Answers: 1

Other questions on the subject: Mathematics

image
Mathematics, 21.06.2019 20:30, marahkotelman
Arectangle has a width of 5 cm and a length of 10 cm. if the width is increased by 3, how does the perimeter change?
Answers: 1
image
Mathematics, 21.06.2019 22:00, foreverrocky12p2asun
Consider the triangle. which shows the order of the angles from smallest to largest? angle a, angle b, angle c angle b, angle a, angle c angle b, angle c, angle a angle c, angle a, angle b
Answers: 3
image
Mathematics, 21.06.2019 23:00, JulietteRosso995
Anyone know these questions? i need ,.
Answers: 1
image
Mathematics, 22.06.2019 02:00, kylahnicolewebb
Me : julio wears a blue shirt every 3 days. larry wears a blue shirt every 4 days. on april 11, both julio and larry wore a blue shirt. what is the next date that they will both wear a blue shirt?
Answers: 2
You know the right answer?
Loretta, who turns 91 this year, has heard that the mean systolic blood pressure among the elderly i...

Questions in other subjects:

Konu
Mathematics, 07.10.2019 15:30