Mathematics
Mathematics, 30.10.2019 05:31, genesist720

According to nielsen media research, the average number of hours of tv viewing by adults (18 and over) per week in the united states is 36.07 hours. suppose the standard deviation is 8.8 hours and a random sample of 41 adults is taken. appendix a statistical tables a. what is the probability that the sample average is more than 35 hours? b. what is the probability that the sample average is less than 38.8 hours? c. what is the probability that the sample average is less than 30 hours? if the sample average actually is less than 40 hours, what would it mean in terms of the nielsen media research figures? d. suppose the population standard deviation is unknown. if 71% of all sample means are greater than 48 hours and the population mean is still 36.07 hours, what is the value of the population standard deviation?

answer
Answers: 1

Other questions on the subject: Mathematics

image
Mathematics, 21.06.2019 15:10, Mathwiz55
What is the area of triangle abc if a = 8, b = 11, and c = 15?
Answers: 1
image
Mathematics, 21.06.2019 15:30, kmshacklette9879
What are the measures of ∠a, ∠b, ∠c and ∠d? explain how to find each of the angles. measure need asap
Answers: 1
image
Mathematics, 21.06.2019 17:30, muhammadcorley123456
Miranda is braiding her hair. then she will attach beads to the braid. she wants 1_3 of the beads to be red. if the greatest number of beads that will fit on the braid is 12,what other fractions could represent the part of the beads that are red?
Answers: 3
image
Mathematics, 21.06.2019 18:30, zovav1oszg9z
Analyze the graph of the cube root function shown on the right to determine the transformations of the parent function. then, determine the values of a, h, and k in the general equation.
Answers: 1
Do you know the correct answer?
According to nielsen media research, the average number of hours of tv viewing by adults (18 and ove...

Questions in other subjects:

Konu
Physics, 25.02.2021 20:10
Konu
Mathematics, 25.02.2021 20:10