54. A humane society claims that less than 69% of households in a certain country own a pet. In a random sample of 700 households in that country, 462 say they own a pet. At alphaequals0.10, is there enough evidence to support the society's claim? Complete parts (a) through (c) below. (a) Identify the claim and state Upper H 0 and Upper H Subscript a. Identify the claim in this scenario. Select the correct choice below and fill in the answer box to complete your choice. (Type an integer or a decimal. Do not round.) A. Less than nothing% of households in the country own a pet. B. More than nothing% of households in the country own a pet. C. The percentage households in the country that own a pet is not nothing%. D. nothing% of households in the country own a pet.
Claim: Less than 69% household in country own a pet.
H0: p = 0.69
Ha: p < 0.69 (Claim)
54. A humane society claims that less than 69% of households in a certain country own...
A humane society claims that less than 73% of households in a certain country own a pet. In a random sample of 400 households in that country, 284 say they own a pet. At a=0.10, is there enough evidence to support the society's claim? Complete parts (a) through (c) below. (a) Identify the claim and state Ho and H. Identify the claim in this scenario. Select the correct choice below and fill in the answer box to complete your choice....
A humane society claims that less than 63% of households in a certain country own a pet. In a random sample of 700 households in that country, 413 say they own a pet. At a=0.10, is there enough evidence to support the society's claim? Complete parts (a) through (c) below. (a) Identify the claim and state Ho and Ha. Identify the claim in this scenario. Select the correct choice below and fill in the answer box to complete your choice....
A humane society claims that less than 60% of households in a certain country own a pet. In a random sample of 800 households in tha country, 464 say they own a pet. At α=005, is there enough evidence to support the society's claim? Complete parts (a) through (c) be (a) Identify the claim and state Ho and H3 ldentify the claim in this scenario. Select the correct choice below and fill in the answer box to complete your choice...
A humane society claims that less than 38% of U.S. households own a dog. In a random sample of 394 U.S. households, 156 say they own a dog. At alphaequals0.10, is there enough evidence to support the society's claim? Complete parts (a) through (e) below using the given information. When you know the number of successes x, the sample size n, and the population proportion p, it can be easier to use the formula shown below to find the standardized...
A humane society claims that less than 35% of U.S. households own a dog. In a random sample of 401 U.S. households,152 say they own a dog. A a=0.03, is there enough evidence to support the society's claim? (a) Write the claim mathematically and identify Upper H0 and Upper HaHa. (b) Find the critical value(s) and identify the rejection region(s). (c) Find the standardized test statistic. (d) Decide whether to reject or fail to reject the null hypothesis, and (e)...
A humane society claims that 2g (a) through (e) below of households in a ce ar country own a cat. In a random sample o 200 households from hat country, 66 say they own a cat. At α=0.05 s there enough evidence o re ect the soc et 's claim? Compete parts Identify Ho and Ha H2 Type integers or decimals.) (b) Find the critical value(s) and identfy the rejection region s) The critical value(s) is/are zo (Round to two...
A medical researcher says that less than 84% of adults in a certain country think that healthy children should be required to be vaccinated. In a random sample of 400 adults in that country, 81% think that healthy children should be required to be vaccinated. At alpha=0.10, is there enough evidence to support the researcher's claim? Complete parts (a) through (e) below. A. Identify the claim and state Upper H0 and Upper Ha Identify the claim in this scenario. B.Let p...
33. A company claims that the mean monthly residential electricity consumption in a certain region is more than 860 kiloWatt-hours (kWh). You want to test this claim. You find that a random sample of 61 residential customers has a mean monthly consumption of 880 kWh. Assume the population standard deviation is 125 kWh. At alphaequals0.10, can you support the claim? Complete parts (a) through (e). (a) Identify Upper H 0 and Upper H Subscript a. Choose the correct answer below.
A research center claims that at most 76% of adults in a certain country think that drivers are safer using hands-free cell phones instead of using hand-held cell phones. In a random sample of 200 adults from that country 79% think that drivers are safer usinghands-free cell phones instead of using hand-held cell phones. At alphaαequals=0.01, is there enough evidence to reject the center's claim? Complete parts (a) through (e) below. What is the claim? Identify Upper H 0H0 and...
A medical researcher says that less than 79% of adults in a certain country think that healthy children should be required to be vaccinated in a random sample of 500 adults in that country, 76% think that healthy children should be required to be vaccinated. At a=0.10, is there enough evidence to support the researcher's claim? Complete parts (a) through (e) below (a) Identity the claim and state Hy and H Identify the claim in this scenario Select the correct...