Mathematics, 23.10.2019 21:00 jess7kids
According to the south dakota department of health, the number of hours of tv viewing per week is higher among adult women than adult men. a recent study showed women spent an average of 40 hours per week watching tv, and men, 34 hours per week. assume that the distribution of hours watched follows the normal distribution for both groups, and that the standard deviation among the women is 4.7 hours and is 5.2 hours for the men.
a.
what percent of the women watch tv less than 43 hours per week? (round z-score computation to 2 decimal places and your final answer to 4 decimal places.)
probability
b.
what percent of the men watch tv more than 30 hours per week? (round z-score computation to 2 decimal places and your final answer to 4 decimal places.)
Answers: 1
Mathematics, 21.06.2019 13:30
Answer the questions in the attachment. a rescue helicopter is at point a and a rescue boat is at point e. the helicopter pilot spots boats in distress at points d and c,with angles as marked in the diagram. figure abce is a rectangle. the altitude of the rescue helicopter, represented by ae, is 5000 feet.
Answers: 1
Mathematics, 21.06.2019 15:00
If there are 12 moths and some have 31 days and others have 30 days how many have 28 days?
Answers: 2
Mathematics, 21.06.2019 15:40
Two parallel lines are crossed by a transversal. what is the value of x? x = 40 x = 70 x = 110 x = 130
Answers: 2
Mathematics, 21.06.2019 17:00
Can someone pls ! pls answer all. no explanation needed..
Answers: 1
According to the south dakota department of health, the number of hours of tv viewing per week is hi...
Mathematics, 20.10.2019 07:30
Mathematics, 20.10.2019 07:30
Social Studies, 20.10.2019 07:30
Mathematics, 20.10.2019 07:30
History, 20.10.2019 07:30
Mathematics, 20.10.2019 07:30
Mathematics, 20.10.2019 07:30
History, 20.10.2019 07:30
Mathematics, 20.10.2019 07:30
Mathematics, 20.10.2019 07:30
Mathematics, 20.10.2019 07:30
Social Studies, 20.10.2019 07:30