An srs of 40 san diego county schools graduates showed that, Ask an Expert

Statistics

An SRS of 40 San Diego County Schools graduates showed that 26 of the 40 enrolled in a college or university right out of high school.

a. Find a 90% confidence interval for the proportion of all San Diego County Schools graduates who enrolled in a college or university right out of high school. Be sure to justify the formula (assumptions / conditions).

b. The proportion for all graduates across the nation who enroll in a college or university right out of high school is 52%. Is there enough evidence at the 5% significance level to suggest that the proportion of San Diego County graduates is greater than the national average? Be sure to include all the parts of the test.

View complete question

Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M9999355

Have any Question?Write your Review or question?

Related Questions in Statistics and Probability

The weights of bags of peas are normally distributed with a

The weights of bags of peas are normally distributed with a mean of 12.08 ounces and a standard deviation of 1.03 ounces. Bags in the upper 4% are too heavy and must be repackaged. What is the most that bag and weigh and ...

You are given the sample mean and the population standard

You are given the sample mean and the population standard deviation. Use this information to construct the 90% and 95% confidence intervals for the population mean. A random sample of 44 gas grills has a mean price of $6 ...

In a class there are 7 girls and 5 boys the median age of

In a class there are 7 girls and 5 boys. The median age of the 7 girls is 12 and the median age of the 5 boys is 14. Additionally, you know that there are 3 girls with age greater than 14 and 2 boys with age less than 12 ...

With a die being rolled the set of equally likely outcomes

With a die being rolled. The set of equally likely outcomes is? {1, 2? 3, 4? 5, 6}. Find the probability of getting a 10.

If no payments are made a loan of amount 44000 would

If no payments are made, a loan of amount $44000 would increase to $49103.89 after 2 years of monthly compounding interest. If instead, payments of $718.87 are made at the end of each month, how many years would it be un ...

At a university the probability that an incoming freshman

At a university, the probability that an incoming freshman will graduate within four years is 0.553. Use the normal approximation to estimate, to the nearest thousandth, the probability that (a) at least 60 out of a grou ...

An important part of the customer service responsibilities

An important part of the customer service responsibilities of a cable company relates to the speed with which trouble in service can be repaired. Historically, the data show that the likelihood is 0.75 that troubles in a ...

The average time a person spends at the barefoot landing

The average time a person spends at the Barefoot Landing Aquarium Is 96 minutes. The standard deviation is 17 minutes, and this variable is normally distributed. What is the probability that a randomly selected visitor w ...

The amounts in dollars spent by 20 families for dinner at a

The amounts? (in dollars) spent by 20 families for dinner at a restaurant are given on the right. 22 34 29 45 27 56 26 41 64 62 24 37 62 49 56 32 27 43 66 49 Fill in the correct frequencies in the frequency table based o ...

There are 20 total socks 10 white and 10 black this makes

There are 20 total socks, 10 white and 10 black. This makes 10 total matching pairs of 5 pair of white and 5 pair of black. If each time you pick a sock from the drawer a sock just like it magically replaces it, what is ...

4,153,160 Questions Asked
13,132 Experts
2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Recent Questions

Ask Statistics and Probability Expert