davidgba64

5 Questions
2 Answers

0

1097

0

+24

Need help (Statistical Studies)

A scientist has a hypothesis that as the number of police cars is increased on a roadway, the proportion of cars speeding decreases. He finds that at police car level X1 (one police car per 100 miles), the proportion of cars speeding is . At police lee mas ..

davidgba64 13 dic 2017

0

1542

2

+24

The last questions I need... help!

I can't even complete the graph on this one ^
lee mas ..

davidgba64 7 dic 2017

0

1193

1

+24

Another short answer question..help please

The following table shows the relationship between students who enroll in advanced Algebra and Chemistry in a particular high school. From a sample of 40 students it is found that 29 are enrolled in Algebra, 11 are enrolled in Chemistry, and five are enrolled lee mas ..

davidgba64 7 dic 2017

0

902

3

+24

I need help, again....

Two cards are drawn from a standard deck of cards.
Part A: If they are drawn with replacement, what is the probability that both cards are 2s? Show your work.
Part B: If they are drawn without replacement, what is the probability that lee mas ..

davidgba64 7 dic 2017

0

980

2

+24

Please help me I'm having so much trouble.

Complete the two-way frequency table below, which shows the relationship between adults' gender and whether these adults buy a truck or a car for their first new vehicle. From a sample of 88 adults, the following data are collected:

lee mas ..

davidgba64 7 dic 2017

+24

+1

genius.

davidgba647 dic 2017

+24

+1

Wow... thank you so much

davidgba647 dic 2017