Mathematics, 30.11.2019 14:31 srice6
An oak tree is 60 feet tall and casts a 40-foot shadow. what is the approximate distance from the top of the oak tree to the top its shadow?
20 feet
72 feet
100 feet
Answers: 3
Mathematics, 21.06.2019 15:00
The diameter of a ball is 8 in. what is the volume of the ball? use 3.14 for pi. enter your answer as a decimal in the box. round only your final answer to the nearest hundredth.
Answers: 2
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
Mathematics, 21.06.2019 23:00
12 out of 30 people chose their favourite colour as blue caculate the angle you would use for blue on a pie chart
Answers: 1
An oak tree is 60 feet tall and casts a 40-foot shadow. what is the approximate distance from the to...
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