A clinical trial tests a method designed to increase the probability of conceiving a girl. In the study 600 babies were born, and 330 of them were girls. Use the sample data to construct a 99% confidence interval estimate of the percentage of girls born. Based on the result, does the method appear to be effective? (round to three decimal places as needed)Does the method appear to be effective?
A clinical trial tests a method designed to increase the probability of conceiving a girl. In the study 600 babies were born, and 330 of them were girls. Use the sample data to construct a 99% confidence interval estimate of the percentage of girls born. Based on the result, does the method appear to be effective? (round to three decimal places as needed)
Does the method appear to be effective?
Given data
n = 600
x = 330
Sample prop...
Image Transcriptionclose
330 X 0.55 600 1 0.99 0.01 = а 0.005 2 Zo.025 -2.5758 Confidence interval is given by Formula to calculate the confidence interval (1 ) 2 п 0.55 x (1 0.55) => 0.55 2.578 x (0.498,0.602) 600 ఇి
Math
Statistics
Hypothesis Testing
Related Statistics Q&A
Find answers to questions asked by student like you
Show more Q&A addQ: Consider a binominal experiment with 2 trials, and p=0.4 a. Compute the probability of 1 success, f(...
A: It is given that n = 2 and p = 0.4. Therefore, q = 1–p = 0.6.The PMF of binomial distribution is giv...
Q: What is tα/2,df for a 95% confidence interval of the population mean based on a sample of 15 observa...
A: Solution: We have to find the t-critical value (tα/2) at the given significance level 1- 0.95=0.05 b...
Q: The undergraduate admission rate at a certain university for a certain year was 7%. a. Assuming ...
A: a.The probability that exactly 8 out of 100 applicants will be admitted is obtained below:From the g...
Q: the assumption that the t test for independent samples makes regarding the amount of variability in ...
A: Independent Two Samples t-test:Suppose there are two populations independent of one another. A resea...
Q: PrtSc FIZ Insert Delete H + 5. Astandard (fair, well-shuffled) deck of playing cards is cut, the aut...
A: Note:Hey, since there are multiple sub-parts question posted, we will answer first three sub-parts. ...
Q: Grouping individuals into low, middle and high categories implies a scale of which type? Nominal O...
A: Levels of measurement:The variables can be classified based on the values that can be assigned to th...
Q: Estimate the indicated probability by using the normal distribution as an approximation to the binom...
A: Binomial approximation:The normal distribution can be used as an approximation to the binomial distr...
Q: Question Seventy cards are numbered 1 through 70, one number per card. One card is randomly selec...
A: Define the given events A as multiples of 3 and B as multiples of 5.The events A and B are as follow...
Q: Statistics Question
A: Given:
