Mathematics, 19.06.2020 22:57 bhhh7351
a car travels at 54 km/h for first 20seconds , 36km/h for next 30seconds and finally 18km/h for next 10 seconds find the averade velocity
Answers: 2
Mathematics, 21.06.2019 13:00
The chart below shows the distribution of weeds in yard
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Mathematics, 21.06.2019 13:10
Two different linear functions are shown below with two points given from each function. use slope-intercept form or point-slope form to find the equation of each. linear function a points: (β5, β2), (β5, 7) linear function b points: (7, β5), (β2, β5) function a has: the equation of line a is: function b has: the equation of line b is:
Answers: 1
Mathematics, 21.06.2019 21:30
In a test for esp (extrasensory perception), a subject is told that cards only the experimenter can see contain either a star, a circle, a wave, or a square. as the experimenter looks at each of 20 cards in turn, the subject names the shape on the card. a subject who is just guessing has probability 0.25 of guessing correctly on each card. a. the count of correct guesses in 20 cards has a binomial distribution. what are n and p? b. what is the mean number of correct guesses in 20 cards for subjects who are just guessing? c. what is the probability of exactly 5 correct guesses in 20 cards if a subject is just guessing?
Answers: 1
a car travels at 54 km/h for first 20seconds , 36km/h for next 30seconds and finally 18km/h for next...
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