To study lb mother was not present and finds that crying time is normally distri

Question

To study lb mother was not present and finds that crying time is normally distributed with M 6 and SD -1.1. and infants, a r r places each r and her infant in a and has the mother leave for 10 minutes. The r Based on the empirical rule, state the range of cry ing times within 68% of infants cried, 95% of infants cried, and 99.7% of infants died. (a) 68% of infants ried to (c) 99.7% of infants cried to l l Section 41 4 E 035 s living within 250 miles of Los Angeles and range of heights for they dating partners. The following table lists some of the results. Overall, did men or women show greater variability in their responses? Explain. 68.9 2.6 I 60.6 3.7 "Proye docx ^ Cristian Flores Re.pdf ^ | e

Explanation / Answer

a) from empirical rule; 68% values are with in 1 standard deviation from mean

hence 6-1.1 =4.9 to 6+1.1 =7.1 min

b) 95% values are with in 2 standard deviation from mean

6-2*1.1 =3.8 to 6+2*1.1 =8.2 min

c)99.7% values are with in 3 standard deviation from mean

6-3*1.1 =2.7 to 6+3*1.1 =9.3 min

( please revert for any clarification)

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