#4 & #5 CSecure https://umassd.umassonine.net/webapps nt/takelaunch.jsp?course-a

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#4 & #5

CSecure https://umassd.umassonine.net/webapps nt/takelaunch.jsp?course-assessmentida_42415-18c urseld"-1 3306_. QUESTION 4 10 Given the following information, the p-value is x-61 -14 Ho: 55 Ha: > 55 0.0013 Ob. 0.0202 O e.0.4207 0.0228 QUESTION 5 A new soft drink is being market tested. It is estimated that 60% of consumers will like the new drink. A probability that more than 55% of consumers will indicate they like the drink? sample of 96 taste tested the new drink. What is the Oa 0.5199 b.0.0228 O c. 0.8413 Od 0.1587

Explanation / Answer

Solution:-
4) option a. 0.0013
  
=> P(X > 61) = P(Z > (61 - 55)/(14/sqrt(49)) )
= P(Z > 3)
= 1 P(Z < 3)
= 1 0.9987
= 0.0013

5) option c. 0.8413
P(X > 0.55) = P(Z > (0.55 - 0.6)/0.05 ))
= P(Z > -1)
= 0.8413

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