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A student kept track of the number of hours she studied each day for a 2-week period. The following daily scores were recorded (scores are in hours): 2.5, 3.2, 3.8, 1.3, 1.4, 0, 0, 2.6, 5.2, 4.8, 0, 4.6, 2.8, 3.3.
Calculate
a. The mean number of hours studied per day
b. The median number of hours studied per day
c. The modal number of hours studied per day education.
An auto manufacturer advertises that "90% of the cars we've ever made are still on the road." Assuming this is literally true, how can it be explained? What facts/statistics would you need to know to expose this misleading claim?
a study found a strong positive correlation between ice cream consumption and the number of violent crimes committed
the chart below shows the numbers of endangered and threatened species both here in the united states and
with a mean of 2.0 seconds and standard deviation of 0.5please show your worka. px lt 2b. p1.5 lt x lt 2.5c. px gt
To cross a single lane of moving traffic, we require at least a duration d. Successive car interarrival times are independently and identically distributed with probability density function fT (t).
a normally-distributed population has a mean micro132 and a standard deviation ?20. for a set of samples of size 60
Find the probability that the roots are real. - Find the probability that the roots are complex. - Find the probability that the roots are equal.
A wide sense stationary process X(t) with autocorrelation function RX (τ ) = 100e-100|τ | is the input to an RC filter with impulse response
Assume that the hourly cost to operate a commercial airplane follows the normal distribution with a mean of $3,985 per hour and a standard deviation of $440.
Consider the following data on distances traveled by people to visit the local amusement park and calculate the relative frequency for the shortest distance.
two students from a certain university are randomly selected from all other students who attend that university. the
Assume the population standard deviation (s) is 0.5 and the sample size (n) is 100. Calculate the values for alpha, a type I error and beta, a type II error. (To calculate Beta, consider a mean that is 1 standard error away from the lower end valu..
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