The table below lists a random sample of 53 speeding tickets on I-25 in Colorado. 0-10...

The table below lists a random sample of 53 speeding tickets on I-25 in Colorado.

	0-10 mph over limit	10-20 mph over limit	More than 20 mph over limit	Total
Male	8	15	13	36
Female	5	9	3	17
Total	13	24	16	53

(Note: PLease enter your answer as a decimal number , NO FRACTIONS)
a) If a random ticket was selected, what would be the probability that the driver was female?

b) Given that a particular ticket had a male offender, what is the probability that they were more than 20 mph over the limit?
c) Given that a particular ticket was 10-20 mph over the limit, what is the probability that the driver was female?
d) If a random ticket was selected, what would be the probability that the driver was a male?
e) If a random ticket was selected, what would be the probability that the driver is a female and driving 10-20 mph over the limit?
f) If a random ticket was selected, what would be the probability that the driver is a female or driving 0-10 mph over the limit?

B. The Wilson family was one of the first to come to the U.S. They had 8 children. Assuming that the probability of a child being a girl is .5, find the probability that the Wilson family had:

at least 7 girls?

at most 2 girls?

Expert Solution

milcah answered 9 months ago

The table below lists a random sample of 50 speeding tickets on I-25 in Colorado. 0-10...

The table below lists a random sample of 50 speeding tickets on I-25 in Colorado. 0-10 mph over limit 10-20 mph over limit More than 20 mph over limit Total Male 9 9 17 35 Female 2 9 4 15 Total 11 18 21 50 Round to the fourth. a) If a random ticket was selected, what would be the probability that the driver was female? b) Given that a particular ticket had a male offender, what is the probability...

The table below lists the earnings (in thousands of dollars) of a random sample of 12...

The table below lists the earnings (in thousands of dollars) of a random sample of 12 male and 12 female salespersons. At alpha = 0.10 can you conclude that there is a difference between males’ and females’ earnings? Male 28 43 64 51 48 44 36 45 67 49 40 65 Female 36 27 51 43 35 48 41 37 34 47 50 43 The claim is “there is a difference between males’ and females’ earnings”

The accompanying table lists the "attribute" ratings made by a random sample of participants in a...

The accompanying table lists the "attribute" ratings made by a random sample of participants in a speed dating session. Each attribute rating is the sum of the ratings of five attributes (sincerity, intelligence, fun, ambition, shared interests). Use a 0.05 significance level to test the claim that there is a difference between female attribute ratings and male attribute ratings. Rating of Male by Female Rating of Female by Male 33 27 25 42 32 50 37 35 21 44 24 ...

Speeding Tickets (The data is from a sample of randomly selected subjects.) Yes No Women 27...

Speeding Tickets (The data is from a sample of randomly selected subjects.) Yes No Women 27 473 Men 26 224 Compute row totals. Test the claim that the percentage of women ticketed for speeding is less than the percentage of men at LaTeX: \alphaα = 2%. State the hypotheses, find the proportions(including the pooled) then Z. Include a sketch, state the p-value followed by your conclusion.

The table below lists maintenance cost vs. the age of cars for a sample of seven...

The table below lists maintenance cost vs. the age of cars for a sample of seven cars. The goal was determine if there was a correlation between the age of a car and the cost to maintain it. The least squares regression equation describing the maintenance costs (Y′) vs. the age of the car (X) was determined to be Y' = −4.75 + 2.8929X Age of Car (yrs) Maintenance Costs ($hundreds) 2 3 3 5 4 6 5 7 6...

A random sample of 4 workers has been selected. The following table lists their wage per...

A random sample of 4 workers has been selected. The following table lists their wage per hour (dollars) and their number years of education. Wage (dollars per hour). Number of years of education 5 8 7 10 8 12 14 13 a. Do you expect a positive or a negative relationship between these two variables? b. Find the least squares regression line by choosing appropriate dependent and independent variables (compute beta0, beta1, yhat and the residuals)...

The table below shows a random sample of musicians and how they learned to play their...

The table below shows a random sample of musicians and how they learned to play their instruments. Complete the empty cells of the table to answer the following questions. Gender Self-Taught Learned in School Private Instruction TOTAL Female 12 38 72 Male 58 TOTAL 31 62 37 130 1. What is the probability of randomly selecting a musician who is female? 2.What is the probability of randomly selecting a musician who is a male AND had private instruction? 3. What...

3. If a random sample of 53 students was asked for the number of semester hours...

3. If a random sample of 53 students was asked for the number of semester hours they are taking this semester. The sample standard deviation was found to be s = 4.7 semester hours. How many more students should be included in the sample to be 99% sure that the sample mean x is within 1 semester hour of the population mean  for all students at this college? i. A marketer is trying two different sales pitches to sell...

Suppose there is a random sample of 1,083 observations, divided into four groups. The table below...

Suppose there is a random sample of 1,083 observations, divided into four groups. The table below summarizes the observations that were seen in each group. Group 1 Group 2 Group 3 Group 4 531 184 101 267 We are interested in testing the Null hypothesis Observed=Expected, under the assumption that the expected proportions are .50, .20, .10, and .20 for the 4 groups, respectively. What are the expected values? Group 1 Group 2 Group 3 Group 4 Number Number Number...

The contingency table below shows the results of a random sample of 200 state representatives that...

The contingency table below shows the results of a random sample of 200 state representatives that was conducted to see whether their opinions on a bill are related to their party affiliations. Test the claim of independence. Use α = .05.

Question