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2017 FALL MATH 2020 APPLIED STATISTICS ( Quiz: Chapter 4 and 5 test This Questio

ID: 3303615 • Letter: 2

Question

2017 FALL MATH 2020 APPLIED STATISTICS ( Quiz: Chapter 4 and 5 test This Question: 1 pt Time 00:4013 Submit Qui 411 of 15(11 This Quiz: 15 pts whether 1 girt in 10 births is a signifcantly low number of girls. Click nian to view the table. The maximum value in this range isgits. Round to one decimal place as needed) Round to one decimal place as needed,) O A Yes, 1 gin is a signiticantly low number of girls, because girts git is less than the minimum value that is not significant low number of girls, because 1 gint is not less than the minimum value that is not significant 1girl is not a Not enough informationis given OC. D. Print Done

Explanation / Answer

Range rule of thumb

Here mean of the probaiblity distribution = 5.044

Standard Deviation of probability distribution = sqrt [28.154 - 5.0442 ] = 1.6468

Maximum Value = + 2 =  5.044 + 2 * 1.6468 = 8.3376 = 8.3

Minimum Value = - 2 =  5.044 - 2 * 1.6468 = 1.7504 = 1.8

Here

OPtion A is correct. Yes, 1 girl is significanty lower number of girls, because 1 girl is less than the minimum value that is not significant.

X f(X) xf(x) f(x) x^2 0 0.002 0 0 1 0.014 0.014 0.014 2 0.037 0.074 0.148 3 0.113 0.339 1.017 4 0.208 0.832 3.328 5 0.242 1.21 6.05 6 0.206 1.236 7.416 7 0.112 0.784 5.488 8 0.044 0.352 2.816 9 0.017 0.153 1.377 10 0.005 0.05 0.5 sum 1 5.044 28.154