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Author Question: A survey claims that 9 out of 10 doctors (i.e., 90%) recommend brand Z for their patients who have ... (Read 98 times)

jeatrice

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on: Jan 16, 2020
A survey claims that 9 out of 10 doctors (i.e., 90%) recommend brand Z for their patients who have children. To test this claim against the alternative that the actual proportion of doctors who recommend brand Z is less than 90%, a random sample of doctors was taken. Suppose the test statistic is z = -1.75. Can we conclude that H0 should be rejected at the and level?
◦ a) no; b) no; c) yes
◦ a) yes; b) yes; c) yes
◦ a) yes; b) yes; c) no
◦ a) no; b) no; c) no
Statistics: Informed Decisions Using Data ¦ Sullivan ¦ 5th Edition
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Marked as best answer by jeatrice on Jan 16, 2020

kbennett34

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Reply #1 on: Jan 16, 2020
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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jeatrice

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Reply 2 on: Jan 16, 2020
:D TYSM

xiazhe

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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