Answered step by step
Verified Expert Solution
Question
1 Approved Answer
HOI'I'IBWOFK: Ch 12 Hw: ( Question a, 1 HW Score: ?4.17ofn, 11.87 of 16 points ' P n2.r ChISquare Procedure a a r Q Points:0.14ot1
HOI'I'IBWOFK: Ch 12 Hw: ( Question a, 1 HW Score: ?4.17ofn, 11.87 of 16 points ' P n2.r\" ChISquare Procedure a a r Q Points:0.14ot1 According to a census company. 10.1% of all babies born are of low birth weight. An obstetrician wanted to know whether mothers between the ages of 35 and 39 years give birth to a higher percentage of low-birthweight babies. She randomly selected 240 births for which the mother was 35 to 39 years old and found 23 Iowbirthweight babies. Complete parts (a: through to) below. {a} If the proportion of low-birth-weight babies for mothers in this age group is 0.101, compute the expected number of lowbirth-weight births to 35- to 39yearold mothers. What is the expected number of births to mothers 35 to 39 years old that are not low birth weight? The expected number OTIOWDil'thWEight births to 35 to 39year-old mothers is 24.24 . The expected number of births to mothers 35 to 39 years old that are not low birth weight is 21536 . (Type integers or decimals.) [b] Answer the obstetriciah's question at the II: 0.10 level of signicance using the cthquare goodnessoffrt test. State the null and alternative hypotheses forthis test. H0: vEmm H1: :Emm
Step by Step Solution
There are 3 Steps involved in it
Step: 1
Get Instant Access to Expert-Tailored Solutions
See step-by-step solutions with expert insights and AI powered tools for academic success
Step: 2
Step: 3
Ace Your Homework with AI
Get the answers you need in no time with our AI-driven, step-by-step assistance
Get Started