A long-term study followed 128 women throughout their lifetime. Among the various data collected, one interesting result was that 35 of these women had suffered from a migraine at some point in their life Use the results of this study to test the claim that the percentage (proportion) of women in the population that will suffer from a migraine is less than 35% in their lifetime. Use 0.05 significance level. Use symbols and words to express your answer.

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A: Two proportion Z test is applicable here

Q: According to a survey of 5041 Star Trek fans conducted in 2010, 2873 are females. Use this data to…

A: Null Hypothesis: H0: p<=0.5 Alternative Hypothesis: H1:p>0.5 Given that x=2873 and n=5041…

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A: n₁= 317 x₁= 69 n₂= 296 x₂= 15 α = 0.05

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A: Given that:   Wikipedia WebMD Mean 26.1 43.2 Standard deviation 14.2 19.7 Sample size 40 40…

Q: Candidate T wants to determine if there is a difference in his popularity between men and women.  To…

A:

Q: Past studies have indicated that the percentage of smokers is estimated to be about 33%. Given the…

A:

Q: Professors collected data consisting of eye color and gender of statistics students. Among 950 male​…

A: Given that, For males:  X1= 372 and sample size n1= 950  p1^ = X1/n1 = 372/950 =0.3916 For females:…

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A:

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A: Mean(x)=460.4 standard deviation(s)=101.9 sample size(n)=36

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A: Since we only answer up to 3 sub-parts, I'll answer the 1st 3 sub-parts. Please resubmit the…

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A: Given information:

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A:

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A: Given the data as Medium Lead Level High Lead Level 66 91 98 61 64 88 87 73 63 76 84…

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A: Given, n=119, x=31, α=0.05 Then, p^=31119=0.260504

Q: In a city with three high schools, all the ninth graders took a Standardized Test, with these…

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A: )

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A:

Q: o dream in black and white is greater than the proportion for those under 25. Complete parts (a)…

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Q: State the appropriate null and alternative hypotheses. ⒸHg: H₁ H₂ = 0 Hoi H₂-H₂0 H₂H₂H₂ = 0 Hot H₁…

A: It is given thatX1¯=26.3,s1=14.3,n1=40X2¯=43.3,s2=19.6,n2=40

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A: According to the given information in this question, we need to answer all the parts

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A: We have to determine null and alternative hypothesis denoted by H0 and H1.

2-Proportion Test

In a 2-proportion test, two separate proportions are measured at the same time, and their similarity is evaluated. It is also known as a 2-proportion z-test, and a comparison of two different proportions is done in this method.