Mathematics, 22.11.2019 05:31 tadams9922
Anoted psychic was tested for esp. the psychic was presented with 200 cards face down and was asked to determine if the card was one of 5 symbols: a star, cross, circle, square, or three wavy lines. the psychic was correct in 49 cases. let pp represent the probability that the psychic correctly identifies the symbol on the card in a random trial. assume the 200 trials can be treated as an srs from the population of all guesses. to see if there is evidence that the psychic is doing better than just guessing, we testh0: p=.2h0: p=.2ha: p> .2ha: p> .2(a) what is the zz-statistic for this test? (b) what is the p-value of the test?
Answers: 1
Mathematics, 21.06.2019 23:00, Hannahrose911
Someone answer this asap for gabriella uses the current exchange rate to write the function, h(x), where x is the number of u. s. dollars and h(x) is the number of euros, the european union currency. she checks the rate and finds that h(100) = 7.5. which statement best describes what h(100) = 75 signifies? a. gabriella averages 7.5 u. s. dollars for every 100 euros. b. gabriella averages 100 u. s. dollars for every 25 euros. c. gabriella can exchange 75 u. s. dollars for 100 euros. d. gabriella can exchange 100 u. s. dollars for 75 euros.
Answers: 1
Mathematics, 22.06.2019 01:10, mawawakaiii
Write each improper fraction as a mixed number. 9/4. 8/3. 23/6. 11/2. 17/5. 15/8. 33/10. 29/12.
Answers: 2
Mathematics, 22.06.2019 05:30, drubio102004
Which inequality is used when the situation involves a “maximum”?
Answers: 1
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