1. As beach temperatures rise, more female turtles are born. I want to show that more...

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1. As beach temperatures rise, more female turtles are born. Iwant to show that more than 50% of the current turtle hatchlingsare female, as this further threatens the turtle population. a.Define any relevant parameters and state the null and alternativehypotheses. b. If I want a margin of error of .01, what sample sizeshould I get? c. I check 1000 eggs and find 676 of them are female.Use StatKey to find the SE, then use that SE to find a 99%confidence interval. d. Now use the formula discussed in chapter 6for SE and create a 95% confidence interval. e. How do theseintervals compare? f. Interpret the interval in the context of theproblem. g. Find the z-score using the Statkey SE. What is theresulting p-value? h. Find the z-score using the formula SE. Whatis this resulting p-value? i. Compare these p-values. j. What isyour formal decision and conclusion with context?

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3.6 Ratings (652 Votes)

1 a Given that possible chances x676 sample sizen1000 success rate p xn 0676 success probability po 05 failure probability qo 05 null Hop05 alternate H1 p05 level of significance 001 from standard normal tableright tailed z 2 233 since our test is righttailed reject Ho if zo 233 we use test statistic z proportion pposqrtpoqon zo067605sqrt0251000 zo 111312 zo 111312 critical value the value of z at los 001 is 233 we got zo 11131 z 233 make decision hence value of zo z and here we reject Ho pvalue right tail Ha p 1113122 0 hence value of p001 0here we reject Ho ANSWERS null Hop05 alternate H1 p05 test statistic 111312 critical value 233 decision reject Ho pvalue 0 we have enough evidence to support the claim that more than 50 of the current turtle hatchlings are female as this further threatens the turtle See Answer

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