subject
Mathematics, 25.11.2020 14:00 arijade1391

A statistics instructor believes that fewer than 20% of Evergreen Valley College (EVC) students attended the opening midnight showing of the latest Harry Potter movie. She surveys 84 of her students and finds that 11 attended the midnight showing. The Type I error is to conclude that the percent of EVC students who attended is . a. at least 20%, when in fact, it is less than 20%.
b. 20%, when in fact, it is 20%.
c. less than 20%, when in fact, it is at least 20%.
d. less than 20%, when in fact, it is less than 20%.

ansver
Answers: 1

Other questions on the subject: Mathematics

image
Mathematics, 21.06.2019 17:00, Geo777
Suppose a pendulum is l meters long. the time, t,in seconds that it tales to swing back and forth once is given by t=2.01
Answers: 1
image
Mathematics, 21.06.2019 20:40, mimithurmond03
In each of the cases that follow, the magnitude of a vector is given along with the counterclockwise angle it makes with the +x axis. use trigonometry to find the x and y components of the vector. also, sketch each vector approximately to scale to see if your calculated answers seem reasonable. (a) 50.0 n at 60.0°, (b) 75 m/ s at 5π/ 6 rad, (c) 254 lb at 325°, (d) 69 km at 1.1π rad.
Answers: 3
image
Mathematics, 21.06.2019 23:30, annsmith66
Annabelle's homework is 75% it took her three hours how long should she estimate it will take her to complete her homework.
Answers: 1
image
Mathematics, 22.06.2019 00:00, Naomi7021
Which is a logical conclusion based on the given information? a. figure abcd is a rhombus by the definition of a rhombus. b. segment ac is congruent to segment dc by cpctc. c. angle acb is congruent to angle adc by the angle-side-angle theorem. d. triangle acd is congruent to triangle cab by the hypotenuse-leg theorem.
Answers: 1
You know the right answer?
A statistics instructor believes that fewer than 20% of Evergreen Valley College (EVC) students atte...

Questions in other subjects: