= 0.10, find the critical value(s).
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The test statistic of z
=
−1.55 is obtained when testing the claim that p
=
1/4.
- Using a significance level of
α
=
0.10, find the critical value(s).
- Should we reject
H0 or should we fail to reject
H0?
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- The test statistic of z = -1.62 is obtained when testing the claim that p = 3/5. a. Using a significance level of α = 0.05, find the critical value(s). b. Should we reject Ho or should we fail to reject Ho?The test statistic of z = -2.13 is obtained when testing the claim that p< 0.43. a. Using a significance level of a= 0.10, find the critical value(s). b. Should we reject Ho or should we fail to reject Ho?The test statistic of z = - 1.73 is obtained when testing the claim that p = 1/2. a. Using a significance level of a = 0.05, find the critical value(s). b. Should we reject H, or should we fail to reject H,?
- The test statistic ofz=−1.58 is obtained when testing the claim that p =3/5. a. Using a significance level of α= 0.05, find the critical value(s). b. Should we reject H0 or should we fail to reject H0?A medical researcher is interested in determining if there is a relationship between adults over 50 who exercise regularly and levels of blood pressure. A random sample of 236 adults over 50 is selected and the results are given below. Calculate the test statistic to test the claim that regular exercise and blood pressure are independent. Use α = 0.01.The test statistic of z = - 2.39 is obtained when testing the claim that p<0.12. a. Using a significance level of a = 0.10, find the critical value(s). b. Should we reject Ho or should we fail to reject H,?
- Only about 12% of all people can wiggle their ears. Is this percent higher for millionaires? Of the 399 millionaires surveyed, 60 could wiggle their ears. What can be concluded at the αα = 0.05 level of significance? The test statistic z= The p-value =The recidivism rate for convicted sex offenders is 9%. A warden suspects that this percent is higher if the sex offender is also a drug addict. Of the 395 convicted sex offenders who were also drug addicts, 40 of them became repeat offenders. What can be concluded at the αα = 0.10 level of significance? For this study, we should use: Select an answer? z-test for a population proportion or t-test for a population mean ? The null and alternative hypotheses would be: Ho: μ or p? Select an answer: < > = ≤ ≥ ≠? ______ (please enter a decimal) H1: p or μ? Select an answer: > < ≥ = ≤ ≠? _____ (Please enter a decimal) The test statistic: t or z? =_______ (please show your answer to 3 decimal places.) The p-value =_________? (Please show your answer to 4 decimal places.) The p-value is ? ≤ or >? Based on this, we should? Select an answer: reject? fail to reject? or accept? the null hypothesis. Thus, the final conclusion is that ... The data suggest the…The test statistic of z=2.29 is obtained when testing the claim that p≠0.418. a. Find the P-value. Using a significance level of α=0.10, should we reject H0 or should we fail to reject H0? a. P-value=____(Round to three decimal places as needed.)
- The test statistic of z=−2.64 is obtained when testing the claim that p<0.56. a. Using a significance level of α=0.10, find the critical value(s). b. Should we reject H0 or should we fail to reject H0? A. The critical value(s) is/are z=_____ B. What is the correct conclusion below. Reject H0.There issufficient evidence to support the claim that p<0.56. RejectH0.There is not sufficient evidence to support the claim thatpn<0.56. Fail to rejectH0.There is not sufficient evidence to support the claim that p<0.56. Fail to reject H0.There is sufficient evidence to support the claim that p<0.56.The mean salary of federal government employees on the general schedule is $59,593. The average salary of 30 state employees who do the similar work is $ 58,800 with α =$1500. At the 0.01 level of significance, can it be concluded that state employees earn on average less than federal employees?The recidivism rate for convicted sex offenders is 12%. A warden suspects that this percent is different if the sex offender is also a drug addict. Of the 355 convicted sex offenders who were also drug addicts, 50 of them became repeat offenders. What can be concluded at the αα = 0.05 level of significance? H0 = p,=,.12 H1 = p, (<,>,=,not equal) to .12 The test statistic = _____(3 decimal places) The p-value = ____(4 decimal places) The p-value is (<,>) a Based on this, we should (accept, reject, fail to reject) the null hypothesis.