What is the average age of mothers who give birth to sons? (round final answer to 2 decimal places)ģ.

What is the average age of mothers who gave birth? (round final answer to 2 decimal places)Ģ. I’m working on math questions and need guidance to help me learn.įor questions 11-20 use data set Titanic shipġ. (1 point) Is this a two-tailed, left-tai.

The standard deviation of the sampling distribution of the sample statistic is,ĭ. The mean of the sampling distribution of the sample statistic is, (1 point) What is the sampling distribution of the sample statistic? The value of level of significance is α = 0.05Ĭ. To test the hypothesis is that the proportion of baby girls is different from 0.50 (1 point) Identify the null and alternative hypothesis. Assume that theĭata consists of 55 girls born in 100 births, so the sample statistic of 0.55 results in a z-score that is 1.00Ī.

XSORT method of gender selection, the proportion of baby girls is different from 0.5. (10 points) A 0.05 significance level is used for a hypothesis test of the claim that when parents use the (1 point) Identify the null and alternative hypothesis.Ģ. (1 point) Express the original claim in symbolic form.ī. The latest results show that amongĩ45 babies born to couples using the XSORT method of gender selection, 879 were girls.Ī. (2 points) A claim is made that when parents use the XSORT method of gender selection during invitro fertilization, the proportion of baby girls is greater than 0.5.

Xsort method statistics