(a) State the null hypothesis H, and the alternative hypothesis H . H, :0 H :0 (b) Determine the type of test statistic to use. |(Choose one) ▼ (c) Find the value of the test statistic. (Round to three or more decimal places.) (d) Find the two critical values. (Round to three or more decimal places.) D and (e) Can we conclude that the population mean adult sodium level differs from that claimed by the laboratory? O Yes ONo
(a) State the null hypothesis H, and the alternative hypothesis H . H, :0 H :0 (b) Determine the type of test statistic to use. |(Choose one) ▼ (c) Find the value of the test statistic. (Round to three or more decimal places.) (d) Find the two critical values. (Round to three or more decimal places.) D and (e) Can we conclude that the population mean adult sodium level differs from that claimed by the laboratory? O Yes ONo
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:(a) State the null hypothesis H, and the alternative hypothesis H .
Ho
H :0
(b) Determine the type of test statistic to use.
|(Choose one)
(c) Find the value of the test statistic. (Round to three or more decimal places.)
(d) Find the two critical values. (Round to three or more decimal places.)
O and I
(e) Can we conclude that the population mean adult sodium level differs from
that claimed by the laboratory?
O Yes ONo

Transcribed Image Text:A laboratory claims that the mean sodium level, u, of a healthy adult is 139 mEq per liter of blood. To test this claim, a random sample of 36
adult patients is evaluated. The mean sodium level for the sample is 142 mEq per liter of blood. It is known that the population standard
deviation of adult sodium levels is 13 mEq. Assume that the population is normally distributed. Can we conclude, at the 0.1 level of
significance, that the population mean adult sodium level differs from that claimed by the laboratory?
Perform a two-tailed test. Then complete the parts below.
Carry your intermediate computations to three or more decimal places, and round your responses as specified below. (If necessary, consult a
list of formulas.)
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