Question

In: Statistics and Probability

find tje test value of the test statistic z. the claim is that tje proportion of...

find tje test value of the test statistic z. the claim is that tje proportion of drowning deaths of children attributable to beaches is more than 0.25, and the sample statistics include n=696 drowning deaths of children with 30% of them attributable to beaches.

Solutions

Expert Solution

Answer:-

Dear student,
I am waiting for your feedback. I have given my 100% to solve your queries. If you are satisfied by my given answer. Can you please like it☺
  
Thank You!!!


Related Solutions

Use the given claim and test statistic to find the P-value. Claim: The mean monthly rental...
Use the given claim and test statistic to find the P-value. Claim: The mean monthly rental for a studio in one city is $870. Test statistic: z = -0.76 0.5528 0.7764 0.2236 0.4472
Find the P- value for the hypothesis test with the standardized test statistic z. Decide whether...
Find the P- value for the hypothesis test with the standardized test statistic z. Decide whether to reject H0 for the level of significance α. Two- tailed test z = 1.95 α = 0.05
Find the P-value for the hypothesis test with the standardized test statistic z. Decide whether to...
Find the P-value for the hypothesis test with the standardized test statistic z. Decide whether to reject H0 for the level of significance α.      ( Marks 2) Right-tailed test z = 0.52 α = 0.06
Question No 4 Find the P-value for the hypothesis test with the standardized test statistic z....
Question No 4 Find the P-value for the hypothesis test with the standardized test statistic z. Decide whether to reject H0 for the level of significance α. (Marks 1.5) Left -tailed test z = -1.52 α = 0.04 A trucking firm suspects that the mean life of a certain tire it uses is less than 35,000 miles. To check the claim, the firm randomly selects and tests 18 of these tires and gets a mean lifetime of 34,450 miles with...
Find the P-value for the hypothesis test with the standardized test statistic z. Decide whether to...
Find the P-value for the hypothesis test with the standardized test statistic z. Decide whether to reject H0 for the level of significance α. Right-tailed test z = 0.52 α = 0.06 A manufacturer claims that the mean lifetime of its fluorescent bulbs is 1000 hours. A homeowner selects 40 bulbs and finds the mean lifetime to be 990 hours with a standard deviation of 80 hours. Test the manufacturer’s claim. Use α = 0.04 and use traditional approach.
Find the P - value for the test statistic z=−1.41 for the following null and alternative...
Find the P - value for the test statistic z=−1.41 for the following null and alternative hypotheses: H0: The population mean is 50.   Ha: The population mean is less than 50.   The P - value is   (b) Find the P - value for the test statistic z=−1.41 for the following null and alternative hypotheses: H0: The population mean is 50.   Ha: The population mean is not equal to 50.   The P - value is
Find the​ P-value for the indicated hypothesis test with the given standardized test​ statistic, z. Decide...
Find the​ P-value for the indicated hypothesis test with the given standardized test​ statistic, z. Decide whether to reject Upper H0 for the given level of significance alphaα. ​Two-tailed test with test statistic zequals=−2.18 and alphaαequals=0.04 ​P-valueequals= p-value=___ (round to four decimal places if needed) state your conclusion. fail to reject or reject h0 #38
Find the​ P-value for the indicated hypothesis test with the given standardized test​ statistic, z. Decide...
Find the​ P-value for the indicated hypothesis test with the given standardized test​ statistic, z. Decide whether to reject Upper H 0H0 for the given level of significance alphaα. ​Two-tailed test with test statistic z=- −2.15 0.08 test statistic z= -2.15 and α=0.08 ​P-value=_____ ​(Round to four decimal places as​ needed.) 2)Find the critical​ value(s) and rejection​ region(s) for the indicated​ t-test, level of significance α​,and sample size n. Left​-tailed ​test, α=0.10​, n=13 The critical​ value(s) is/are
The test statistic of z = -1.98 is obtained when testing the claim that p <...
The test statistic of z = -1.98 is obtained when testing the claim that p < 0.64. A) Using a significance level of alpha = 0.05​, find the critical​ value(s). b. Should we reject Upper H 0 or should we fail to reject Upper H 0​? Please answer A and B note For part A *​(Round to two decimal places as needed. Use a comma to separate answers as​ needed*
1) Find the P-value for a left-tailed hypothesis test with a test statistic of z=-2.23. Decide...
1) Find the P-value for a left-tailed hypothesis test with a test statistic of z=-2.23. Decide whether to reject the null hypothesis (Ho) if the level of significance (alpha) equals 0.01 2) Find the P-value for a right-tailed hypothesis test with a test statistic of z=1.82. Decide whether to reject the null hypothesis (Ho) if the level of significance (alpha) equals 0.09 3) Find the P-value for a two-tailed hypothesis test with a test statistic of z=2.14. Decide whether to...
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT