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Author Question: The smiling times (in seconds) of an 8-week-old baby can be modeled with a uniform distribution ... (Read 95 times)

Ethanolson3

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on: Feb 26, 2023

Question 1

The return on investment for a particular security has historically followed a normal distribution with a mean profit of 4.75% and standard deviation of 1.5%. If the historical pattern holds, what is the probability of investing in this security and seeing greater than a 6% return?

◦

0.7967


◦

0.8333


◦

0.2033


◦

0.1666



Question 2

The smiling times (in seconds) of an 8-week-old baby can be modeled with a uniform distribution witha= 0 andb = 23 seconds. What is the probability that a randomly chosen 8-week-old baby smiles between 2 and 18 seconds?

◦

0.7826


◦

0.6956


◦

0.8696


◦

0.0870

Introductory Statistics: A Problem-Solving Approach ¦ Kokoska ¦ 3rd Edition
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Marked as best answer by Ethanolson3 on Feb 26, 2023

hiyayyay

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Reply #1 on: Feb 26, 2023
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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Ethanolson3

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Reply 2 on: Feb 26, 2023
Excellent

scikid

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Reply 3 on: Yesterday
Wow, this really help

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