Determine length of first part of journey
The aircraft flies the certain distance on the bearing of 135 degree and then twice distance on the bearing of 225 degree. Its distance from starting point is then 350km. Determine length of first part of journey.
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Complete trip of 295 miles takes five hours. How long it takes to reach Pennsylvania-Ohio border? How long it takes to get from border to grandparent's house?
The GPA of a sample of students in UCCB has sample mean 3.9106 and sample standard deviation 0.256, with 95% confidence interval (3.488,4.333). Which of the following is correct?
Out of 243, the number of female Students which watch more than five Student football games this season is recorded. Out of 286 male Students, the same statistic was recorded. Which confidence interval would let us to say there is sufficient evide
The rock falls off the building, and its position after t seconds of free fall is 269-16t2 feet above ground. Building is 269 feet tall. Determine rock's velocity at t=3 seconds?
Jim can run five miles per hour on level ground on the still day. One windy day, he runs ten miles per hour with wind, and in same amount of time runs seven miles against wind. Determine rate of wind.
Four laboratories are being employed to carry out chemical analysis. Samples of same material are sent to the laboratories for analysis as part of the study to determine whether or not they give, on average, the same results. Suppose the distribut
Suppose that adults have IQ scores which are normally distributed with a mean of 105 and a standard deviation of 15. Find the percentage of adults that have an IQ exceeding 116. Round your answer to the nearest integer.
The heights of female students at the northeastern college are approximately normally distributed with mean 64.5 inches and standard deviation 1.8 inches. According to the normal distribution, what is the approximate percentage of female students
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