Question

In: Statistics and Probability

12% of all drivers do not have a valid driving license, 6% of all drivers have...

12% of all drivers do not have a valid driving license, 6% of all drivers have no insurance, 4% have neither. The probability that a randomly selected driver fails to have insurance, given that he fails to have a valid license is about

Solutions

Expert Solution

P(No insurance | No license) = P( Neither insurance Nor license) / P(No license)

= 0.04 / 0.12

= 0.3333


Related Solutions

1) Suppose you have the following information. 12% of all drivers do not have a valid...
1) Suppose you have the following information. 12% of all drivers do not have a valid driver’s license, 6% of all drivers have no insurance, and 4% have neither (i.e., do not have driver’s license and do not have insurance). The probability that a randomly selected driver either fails to have a valid license or fails to have insurance is about (a) 0.18 (b) 0.2 (c) 0.22 (d) 0.072 (e) 0.14 3) Given that events A and B are mutually...
Automobile insurance companies require drivers they insure have a valid drivers’ license and will not pay...
Automobile insurance companies require drivers they insure have a valid drivers’ license and will not pay 100% of damage claims. Explain why.
A study on aggressive driving found that 45 % of drivers say that they have yelled...
A study on aggressive driving found that 45 % of drivers say that they have yelled at another driver. A random sample of 280 drivers in Halifax is selected and are asked whether they have yelled at other drivers. 1. What is the distribution of the number of sampled drivers who will say ”yes”, they have yelled at another driver? State only the name of the distribution. 2. What are the mean and standard deviation of the number of sampled...
study on aggressive driving found that 43 % of drivers say that they have yelled at...
study on aggressive driving found that 43 % of drivers say that they have yelled at another driver. A random sample of 280 drivers in Halifax is selected and are asked whether they have yelled at other drivers. 1. What is the distribution of the number of sampled drivers who will say ”yes”, they have yelled at another driver? State only the name of the distribution. 2. What are the mean and standard deviation of the number of sampled drivers...
A study on aggressive driving found that 43 % of drivers say that they have yelled...
A study on aggressive driving found that 43 % of drivers say that they have yelled at another driver. A random sample of 280 drivers in Halifax is selected and are asked whether they have yelled at other drivers. . Use the normal approximation to calculate the probability that there will be exactly 131 sampled drivers who will say yes. [Hint: use normal approximation . What is the probability that at least 135 drivers will say ”yes”, they have yelled...
Using traditional methods it takes 11.1 hours to receive a basic driving license. A new license...
Using traditional methods it takes 11.1 hours to receive a basic driving license. A new license training method using Computer Aided Instruction (CAI) has been proposed. A researcher used the technique on 26 students and observed that they had a mean of 11.6 hours with a standard deviation of 1.6. Is there evidence at the 0.1 level that the technique performs differently than the traditional method? Assume the population distribution is approximately normal. State the null and alternative hypotheses. Find...
Using traditional methods, it takes 8.1 hours to receive a basic driving license. A new license...
Using traditional methods, it takes 8.1 hours to receive a basic driving license. A new license training method using Computer Aided Instruction (CAI) has been proposed. A researcher used the technique with 14 students and observed that they had a mean of 8.3 hours with a standard deviation of 1.1. A level of significance of 0.05 will be used to determine if the technique performs differently than the traditional method. Assume the population distribution is approximately normal. State the null...
Using traditional methods, it takes 11.211.2 hours to receive a basic driving license. A new license...
Using traditional methods, it takes 11.211.2 hours to receive a basic driving license. A new license training method using Computer Aided Instruction (CAI) has been proposed. A researcher used the technique with 2525 students and observed that they had a mean of 11.311.3 hours with a variance of 4.004.00. A level of significance of 0.050.05 will be used to determine if the technique performs differently than the traditional method. Assume the population distribution is approximately normal. Make the decision to...
Using traditional methods, it takes 108 hours to receive a basic driving license. A new license...
Using traditional methods, it takes 108 hours to receive a basic driving license. A new license training method using Computer Aided Instruction (CAI) has been proposed. A researcher used the technique with 280 students and observed that they had a mean of 109 hours. Assume the standard deviation is known to be 6. A level of significance of 0.02 will be used to determine if the technique performs differently than the traditional method. Is there sufficient evidence to support the...
Using traditional methods, it takes 8.7 hours to receive a basic driving license. A new license...
Using traditional methods, it takes 8.7 hours to receive a basic driving license. A new license training method using Computer Aided Instruction (CAI) has been proposed. A researcher used the technique with 27 students and observed that they had a mean of 8.5 hours with a variance of 2.56. A level of significance of 0.1 will be used to determine if the technique performs differently than the traditional method. Assume the population distribution is approximately normal. Is there sufficient evidence...
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT