MATH221 Week 3 Homework COMPLETE QUESTIONS WITH 100%
RATED CORRECT ANSWERS | GRADED A+
Let x represent the number of cars in a parking lot. This would be considered what type of
variable: - (answers)Discrete
Let x represent the height of corn in Oklahoma. This would be considered what type of variable:
- (answers)Continuous
Consider the following table.
Age Group Frequency
18-29 9831
30-39 7845
40-49 6869
50-59 6323
60-69 5410
70 and over 5279
If you created the probability distribution for these data, what would be the probability of 40-49?
- (answers)16.5%
Consider the following table.
Weekly hours worked - Probability
1-30 (average=22) 0.08
31-40 (average=35) 0.41
41-50 (average=46) 0.47
51 and over (average=61) 0.04
Find the mean of this variable. - (answers)40.2
Consider the following table.
, Defects in batch Probability
0 --- 0.05
1 --- 0.18
2 --- 0.29
3 --- 0.24
4 --- 0.13
5 --- 0.11
Find the variance of this variable. - (answers)1.83
Consider the following table.
Defects in batch - Probability
2 --- 0.18
3 --- 0.29
4 --- 0.18
5 --- 0.14
6 --- 0.11
7 --- 0.10
Given this probability distribution, what is the probability that there will be more than 5 defects
in batch? - (answers)0.21
It is known that 13% of all golfers play on the weekends. We select 25 golfers and count the
number of golfers who play on weekends. For this binomial problem, which of the following is
true? - (answers)The value of p is 0.13.
A survey found that 39% of all gamers play video games on their smartphones. Ten frequent
gamers are randomly selected. The random variable represents the number of frequent games
who play video games on their smartphones. What is the value of n? - (answers)10
Forty-four percent of US adults have little confidence in their cars. You randomly select twelve
US adults. Find the probability that the number of US adults who have little confidence in their
RATED CORRECT ANSWERS | GRADED A+
Let x represent the number of cars in a parking lot. This would be considered what type of
variable: - (answers)Discrete
Let x represent the height of corn in Oklahoma. This would be considered what type of variable:
- (answers)Continuous
Consider the following table.
Age Group Frequency
18-29 9831
30-39 7845
40-49 6869
50-59 6323
60-69 5410
70 and over 5279
If you created the probability distribution for these data, what would be the probability of 40-49?
- (answers)16.5%
Consider the following table.
Weekly hours worked - Probability
1-30 (average=22) 0.08
31-40 (average=35) 0.41
41-50 (average=46) 0.47
51 and over (average=61) 0.04
Find the mean of this variable. - (answers)40.2
Consider the following table.
, Defects in batch Probability
0 --- 0.05
1 --- 0.18
2 --- 0.29
3 --- 0.24
4 --- 0.13
5 --- 0.11
Find the variance of this variable. - (answers)1.83
Consider the following table.
Defects in batch - Probability
2 --- 0.18
3 --- 0.29
4 --- 0.18
5 --- 0.14
6 --- 0.11
7 --- 0.10
Given this probability distribution, what is the probability that there will be more than 5 defects
in batch? - (answers)0.21
It is known that 13% of all golfers play on the weekends. We select 25 golfers and count the
number of golfers who play on weekends. For this binomial problem, which of the following is
true? - (answers)The value of p is 0.13.
A survey found that 39% of all gamers play video games on their smartphones. Ten frequent
gamers are randomly selected. The random variable represents the number of frequent games
who play video games on their smartphones. What is the value of n? - (answers)10
Forty-four percent of US adults have little confidence in their cars. You randomly select twelve
US adults. Find the probability that the number of US adults who have little confidence in their
