Mathematics, 04.11.2019 21:31 kait93
Abinomial distribution has 100 trials (n = 100) with a probability of success of 0.25 (π=0.25). we would like to find the probability of 75 or more successes using the normal distribution to approximate the binomial. applying the continuity correction factor, what value would be used to calculate a z-score? a. 74.5b. 75c. 75.5d. 25
Answers: 3
Mathematics, 21.06.2019 18:20
The first-serve percentage of a tennis player in a match is normally distributed with a standard deviation of 4.3%. if a sample of 15 random matches of the player is taken, the mean first-serve percentage is found to be 26.4%. what is the margin of error of the sample mean? a. 0.086% b. 0.533% c. 1.11% d. 2.22%
Answers: 1
Mathematics, 21.06.2019 20:00
The distribution of the amount of money spent by students for textbooks in a semester is approximately normal in shape with a mean of $235 and a standard deviation of $20. according to the standard deviation rule, how much did almost all (99.7%) of the students spend on textbooks in a semester?
Answers: 2
Mathematics, 21.06.2019 21:20
If two angles of a triangle have equal measures and the third angle measures 90°, what are the angle measures of the triangle? a. 60°, 60°, 60° b. 45°, 90°, 90° c. 30°, 30°, 90° d. 45°, 45°, 90°
Answers: 2
Abinomial distribution has 100 trials (n = 100) with a probability of success of 0.25 (π=0.25). we w...
Biology, 29.04.2021 23:00
History, 29.04.2021 23:00
English, 29.04.2021 23:00
Mathematics, 29.04.2021 23:00
Mathematics, 29.04.2021 23:00
Mathematics, 29.04.2021 23:00
English, 29.04.2021 23:00
Mathematics, 29.04.2021 23:00