Mathematics, 15.07.2019 18:40 barbar12345
Alarge fishing farm with thousands of fish has been treating its fish to stop spreading a fungal infection. a random sample of 50 fish is taken to estimate the proportion (p) of fish that are infected in this population. a careful examination determines that 6 of the fish sampled are infected. a. determine the 95% confidence interval for the population proportion of infected fish. b. the infection would be considered "contained" if fewer than 25% of the fish were infected. provide the null and alternative hypotheses needed to investigate this claim. c. what is the standard error for this set of hypotheses? d. what are the test statistic and the p-value? what conclusion would you make (in the context of the situation), using a significance level of 0.05?
Answers: 1
Mathematics, 21.06.2019 13:30
Frank has $66.50 in his account on sunday. over the next week, he makes the following changes to his balance via deposits and purchases: day debit ($) credit ($) monday 60.33 80.75 tuesday 54.45 wednesday 49.20 15.00 thursday 35.40 friday 16.85 75.00 saturday 80.56 on what day does frank first get charged an overdraft fee? a. wednesday b. thursday c. friday d. saturday select the best answer from the choices provided a b c d
Answers: 3
Mathematics, 21.06.2019 23:00
In triangle △abc, ∠abc=90°, bh is an altitude. find the missing lengths. ac=26 and ch=8, find bh.
Answers: 3
Mathematics, 22.06.2019 03:00
Which point on the scatter plot is an outlier? a scatter plot is show. point m is located at 3 and 3, point p is located at 5 and 5, point n is located at 5 and 7, point l is located at 6 and 2. additional points are located at 1 and 3, 2 and 3, 2 and 4, 3 and 4, 3 and 5, 4 and 5, 4 and 6, 5 and 6. point p point n point m point l
Answers: 3
Alarge fishing farm with thousands of fish has been treating its fish to stop spreading a fungal inf...
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