Mathematics, 18.10.2019 17:10 yash797
Barrons reported that the average number of weeks an individual is unemployed is 17.5 week. assume that for the population of all unemployed individuals the population mean length of unemployment is 17.5 weeks and that the population standaard deviation is 4 weeks. suppose you would like to select a sample of 50 unemployment individuals fo a follow up study.
a) show the sampling distribution of x, the sample mean average for a sample of 50 unemployment individuals.
b) what is the probability that a simple random sample of 50 unemployment individuals will provide a sample mean within one week of the population mean?
c) what is the probability that a simple random sample of 50 unemployed individuals will provide a sample mean within a half week of the population mean?
Answers: 2
Mathematics, 21.06.2019 15:00
Select the correct answer from each drop-down menu. rewrite the formula to find voltage. the formula for electrical power (p, in watts) is where v is the voltage in volts and r is the resistance in ohms. for a particular brand of water heater, r is 32 ohms and p is 0.5 watts. the formula to find v is , and the voltage at which the heater operates is volts.
Answers: 1
Mathematics, 21.06.2019 18:00
Someone this asap for a group of students attends a basketball game. * the group buys x hot dogs at the concession stand for $2 each. * the group buys y drinks at the concession stand for $3 each. the group buys 29 items at the concession stand for a total of $70. how many hot dogs did the group buy?
Answers: 1
Barrons reported that the average number of weeks an individual is unemployed is 17.5 week. assume t...
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