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comparing the means of two populations is useful in some instances what other information and why is needed to ensure
the life of cell batteries is normally distributed with a mean of 825 hours and a standard deviation of 215 hours what
2007 population the 2009 world almanac and book of facts reported that in 2007 there were 12608000 people age 16 or
1 a research concludes that the number of hours of exercise per week for adults is normally distributed with a mean of
living with aids the table gives the number of people diagnosed with aidshiv in 2010 in the five states with the
a box of colored crayons contain 16 distinct colors in how many ways can 13 crayons be chosen assuming that the order
population density the accompanying table gives the population of the six us states with the largest populations in
a mayor claims that the unemployment rate in his city is 5 many people think that the unemployment rate is higher so
it is recommended that pregnant women over eighteen years old get 85 milligrams of vitamin c each day a doctor is
marriage rates the number of married people in the united states and the total number of adults in the united states in
a stat 200 instructor believes that the average quiz score is a good predictor of final exam score a random sample of
1 there are 1000 juniors in a collegenbspamong the 1000 juniors 400 students are taking stat200 and 700 students are
could anyone assist with part b i have done a getting 125 for the answerassume the sat mathematics level 2 test scores
a study measured the amount of consultation time physicians took with patients from the study it was determined that
the length of time for long-distance phone calls has been found to be normally distributed with a mean of 247 minutes
amart has monitored the duration of calls to its customer service line over a long period and found the duration of
pediatric asthma surveynbspnnbsp 50nbspsuppose that asthma affects 1 in 20 children in a population you take an srs of
a study of 1 0 different weight loss programs involved 200 subjects each of the 10 programs had 20 subjects in it the
the umuc daily news reported that the color distribution for plain mampms was 35 brown 30 yellow 15 orange 10 green and
a umuc stat club is sending a delegate of 2 members to attend the 2018 joint statistical meeting in vancouver there are
1 which national park has more bears random samples of plots of ten square miles were taken in different parts of
mimi conducted a survey on a random sample of 100 adults 15 adults in the sample ehose banana as his iher favorite uit
assume the sat mathematics level 2 test scores are normally distributed with a mean of 500 and a standard deviation of
imagine you are in a game shownbspthere are 20 prizes hidden on a game board with 100 spacesnbspone prize is worth 50