Mathematics, 12.06.2020 09:57 angeisthe72

The mean grade on the last Geometry test was 78. If Kate
scored a 90 and her z-score
was 2.5, find the standard
deviation for the test.

Answers: 2

Show answers

Other questions on the subject: Mathematics

Mathematics, 21.06.2019 21:00, lizzoone

The? half-life of a radioactive substance is 20 years. if you start with some amount of this? substance, what fraction will remain in 120 ? years

Answers: 1

continue

Mathematics, 21.06.2019 22:00, taliyahjhonson1

The birth weights of newborn babies in the unites states follow in a normal distrubution with a mean of 3.4 kg and standard deviation of 0.6 kg. reaserches interested in studying how. children gain weights decide to take random samples of 100 newborn babies and calculate the sample mean birth weights for each sample

Answers: 1

continue

Mathematics, 22.06.2019 00:00, Rch64

286 divided by 457.6 what is the quotient?

Answers: 1

continue

Mathematics, 22.06.2019 01:00, preshoo1454

Select the correct answer from each drop-down menu the equation of a line is 3/5*+1/3y=1/15

Answers: 2

continue

You know the right answer?

The mean grade on the last Geometry test was 78. If Kate
scored a 90 and her z-score
wa...