Mathematics, 22.04.2020 00:42 Kaycieb
In a random sample of n1 = 162 males, there are x1 = 63 people that have blue eyes. In a random sample of n2 = 333 females, there are x2 = 97 that have blue eyes. The researcher would like to test the hypothesis that the percent of males with blue eyes is different than the percent of females that have blue eyes. Given a level of significance of alpha=0.05, what are the critical values for the test of hypothesis?
Answers: 3
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, 22.06.2019 01:30
The difference between the number of electoral votes for florida and north carolina is 12 votes. write and solve a subtraction equation to find a number of electoral votes for florida.
Answers: 3
Mathematics, 22.06.2019 03:00
Ashley spent half of her lunch money on a turkey sandwich. then she spent two-thirds of the money she had left on a bottle of juice and the rest of the money on a cookie. if the cookie cost $.75, how much lunch money did ashley have to start with?
Answers: 2
Mathematics, 22.06.2019 05:00
Given a circle with measures of (c, d, and r) and a circle with measures of (c', d', and r'), find r' if c c' = 0.25 and d = 6.0. a. 6 b. 12 c. 18 d. 24
Answers: 3
In a random sample of n1 = 162 males, there are x1 = 63 people that have blue eyes. In a random samp...
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