The heart rates for puppies are normally distributed, with a mean heart rate of 180 beats per minute (60-160 beats per minute for most adult dogs) with a standard deviation of 6 bpm (beats per minute)...
The heart rates for puppies are normally distributed, with a mean heart rate of 180 beats per minute (60-160 beats per minute for most adult dogs) with a standard deviation of 6 bpm (beats per minute)...
i need to find out what percent of lightbulbs burn out within 11,000 hours
i need to find the standard diviation for the data set
A company’s manufacturing process uses 500 gallons of water at a time, a scrubbing machine then removes most of the chemical pollutant before pumping the water into a lake. Legally the treated water...
A company’s manufacturing process uses 500 gallons of water at a time, a scrubbing machine then removes most of the chemical pollutant before pumping the water into a lake. Legally the...
i have 3 participants . measured at 4 different contexts. i want to calculate which of the 3 participants showed the most variant results. meaning which of them exhibits the most...
Maria Thomas a teacher at Henry elementray school noted grades of her students which were distributed with a mean of 74 and a standard deviation of 10. María thomas has informed us that 6.3 percent...
The quiz scores are below. 5 3 9 10 9 9 10 10 10 9 6 4 9 9 The formula is s = Σ (x--x)2 ...
mean 8 and standard deviation 0.5 how many standard deviations 6.9 is below the mean
1) 64.5 63.5 63.5 65 66 65.5 61 66 64 65 The data above represents the heights, in inches, of a random sample of adult American...
On a GSS survey, the question asked respondents to rate their confidence in congress in 1976: Confidence in Congress f (frequency) p (proportion)...
So I have a table x P(x) 0 0.13 1 0.23 2 0.11 3 P(3) 4 0.21 5 0.12 Find the standard deviation σ = √Σ[x2 * P(x) ] - μ2 for...
scores on a test are being normally distrubuted. mean 73.0 standard deviation 5.0. 100 students were tested. how many students scored between 68 and 78? how many students scored below 63?...
A new Rassmussen Report national telephone survey finds that just 32% of American adults favor "sin taxes" on soda and junk food. The survey was based on a sample of 1,000 Americans adults...
The length of time what a space rocket component functions is approximately normally distributed. A sample of 20 of these components showed a mean of 900hours with a standard deviation of 87 hours...
The production manager of a bottling plant has acquired new machines to fill beverage cans. The machines are used to fill 16 ounce cans. If the filling machine is working properly, the mean fill volume...
The mean weight of loads of rock is 43.0 tons with a standard deviation of 12.0 tons. If 16 loads are chosen at random for a weight check, we wish to compute the probability that the mean weight of...
The mean weight of loads of rock is 43.0 tons with a standard deviation of 12.0 tons. If 16 loads are chosen at random for a weight check, we wish to compute the probability that the mean weight of...
What is the IQ score of the person at the 79th percentile? I got 81 but I don't know if I'm doing it right
What percent of students scored greater than 410?