The mean weight of female nurses working at a local hospital is equal to 150 lbs. Express the null and alternative hypotheses in symbolic form for this claim. H0:μ Ha:μ Use the following codes to enter the following symbols: ≥≥ enter >= ≤≤ enter <= ≠≠ enter != *please follow the codes to enter symbol*
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The
H0:μ
Ha:μ
Use the following codes to enter the following symbols:
≥≥ enter >=
≤≤ enter <=
≠≠ enter !=
*please follow the codes to enter symbol*
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- The mean weight of female nurses working at a local hospital is equal to 144 lbs. Express the null and alternative hypotheses in symbolic form for this claim. see attachmentThe mean weight of male nurses working at a local hospital is more than 161 lbs. Express the null and alternative hypotheses in symbolic form for this claim.H0 : μ H1 : μThe mean weight of male nurses working at a local hospital is less than 178 lbs. Express the null and alternative hypotheses in symbolic form for this claim.H0:μH0:μ =Ha:μHa:μ=
- A report in LTO stated that the average age of taxis in the Philippines is 9 years. An operations manager of a large taxi company selects of 40 taxis and finds the average age of the taxis is 8.2 years. The of the population is 2.3 years. At can it be concluded that the average age of the taxis in his company is less than the national average?The mean weight of male dancers in a local modern dance company is at least 167 lbs. Express the null and alternative hypotheses in symbolic form for this claim. H0:μ HA:μThe manager of a milk store wants to know if the milk in the 1-gallon cartons actually averages 1-gallon. State null and alternative hypotheses.
- A minority of adults would erase all of their personal information online if they could. A software firm survey of 479 randomly selected adults showed that 42% of them would erase all of their personal information online if they could. Complete parts (a) and (b) below. a. Express the original claim in symbolic form. Let the parameter represent the adults that would erase their personal information. (Type an integer or a decimal. Do not round.) b. Identify the null and alternative hypotheses. (Type integers or decimals. Do not round.)a certain test for a particular cancer is known to be 95% accurate. a person submits to the test an the result is positive. suppose that a person comes from a population of 1lakh where 2000 people suffer from that disease. what can we conclude about the probabilty that the person under test has that particular cancer?A well-balanced die is rolled 300 times. Find theprobability that the [1] appears between 55 and 60 times inclusive.
- A soda company sells one of its soft drinks in 12 ounce cans. In order to ensure that every can has at least 12 ounces in it, the machines in the factory are set to fill each can with an average of 12.1 ounces of soda. Every week, a quality-control technician tests 10 cans to make sure that the average amount of soda in the cans is still 12.1 ounces. If the conclusion of the test is that the number of ounces of soda in the cans is different from 12.1, the technician will declare that the process is out of control, and the machine will be stopped and calibrated. From previous tests, the technician found that the standard deviation of the number of ounces of soda in the cans is approximately 0.01. The number of ounces of soda in the 10 cans that were tested this week is given below. Assume that the standard deviation from the technician's previous tests is the population standard deviation. Use a TI-83, TI-83 Plus, or TI-84 calculator to test whether filling process is out of control and…Suppose that 95% of the bags of certain fertilizer mix weigh between 49 and 53 pounds. Averages of three succesive bags were plotted, and 47.5% of these were observed to lie between 51 and X pounds. Estimate the value of X. State assumptions you make and say whether these assumptions are likely to be true for this example.A medical researcher says that less than 74%of adults in a certain country think that healthy children should be required to be vaccinated. In a random sample of 600adults in that country, 71% think that healthy children should be required to be vaccinated. At α=0.01, is there enough evidence to support the researcher's claim? Complete parts (a) through (e) below. (a) Identify the claim and state H0 andHa. 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.) Fill the percentage on the correct answer A. % of adults in the country think that healthy children should be required to be vaccinated. B. Less than %of adults in the country think that healthy children should be required to be vaccinated. C. The percentage of adults in the country who think that healthy children should be required to be vaccinated is not %. D. More than…