Quiz: Quiz Chapter 8, Sections 4 & 5 Tme Remaining: 00 3127 Submit Quiz This Que
ID: 3323841 • Letter: Q
Question
Quiz: Quiz Chapter 8, Sections 4 & 5 Tme Remaining: 00 3127 Submit Quiz This Question: 1 pt 3015(1 complete) This Quiz: 5 pts possible Questor, Help * A simple random sample of 58 adufts is obtained trom a normally distnibuted population, and each person's red blood cell count (in cels per microliter) is measured The sample mean isT-est 6 21 and the sample standard deviation is 0.55. Use a 0 01 signticance level and the given calculator display to test the claim that the sample is tom a population with a mean less than 54, which is a value offen used for the upper limit of the range of normal values. What do the results suggest about the sample group? 2.630903437 x“521 Sx 0.55 What are the nus and aternative thypotheses @C. HO #54 m, #54 identity the test statistic (Round to three decimal paces as needed ) Cick to select your answer s) Type here to search o eB2Explanation / Answer
a) null and alternate hypothesis
otpion D) is correct
b) TS = -2.6309
= -2.631 (note the negative sign is there)
c) p-value = 0.00546
= 0.0055
d) option D) is correct
e) option A) or C) is correct (picture is not complete}
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