1. Each year, the US Energy Department publishes an Annual Energy Review that includes the per capita consumption for each of the 50 states. If the mean of these 50 values is calculated, what is the result? Is the answer the mean per capita energy consumption for the population in all 50 states combined???

2. A set of data is at the nominal level of measurement and you want to obtain a representative data value. Mode is the most appropriate. Is this true?

3. The ABC Insurance company issues one-year policies to 12 men who are all 27 years of age. Each of these men has a 99.82 % chance of living through the year. The probability that they all survive the year is what?

Solution Preview

1. Each year, the US Energy Department publishes an Annual Energy Review that includes the per capita consumption for each of the 50 states. If the mean of these 50 values is calculated, what is the result? Is the answer the mean per capita energy consumption for the population in all 50 states combined???

If the mean of these 50 values is calculated, the result is called the SAMPLE MEAN. The answer (i.e., SAMPLE MEAN) is NOT the mean per capita energy consumption for the population in all 50 states combined; it is ONLY ...

Solution Summary

This solution contains a detailed explanation of finding probabilities.

Find the probability. A card is drawn at random from a standard 52-card deck. Find the probability that the card is not a queen. Hi, Here is the solution. ...

...Find the following probabilities. ... If a chip is randomly selected, what is the probability that it ...Find the mean and standard deviation for the random variable ...

... f. Find the probability that the ... bonds are bell-shaped and approximately symmetric we can use standard X −µ normal tables to calculate probabilities. ...

... This is a binomial probability, n=53, p=0.42 a) P(x=6 ... The expert finds the percentage of the total area under the ... Conditions to find z-scores are satisfied. ...

... Use a binomial probabilities table to find the probability of x successes given the probability p of success on a given trail. n=2, x=2, p=0.70 P(2)=_____. ...

...Probability of finding 11 Mexican Americans is 0.5-0.3413 ... phone users in Denmark, it as found that 135 ... 0.000340 = 0.99966, n = 420095 a. Find the population ...

... So, lets see an example... We want to find the probability of rolling at least 1 six in 4 rolls of a single die. ... Now lets find this probability.... ...

... If one degree is selected at random, find the following probabilities. Probability of any event i = Number of occurrences of event i / Total number of events a ...