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Recently, 405 college students were surveyed, 185 said they own their car. Calculate a 90% confidence...
when 294 college students are randomly selected and surveyed, it is found that 130 own a...
when 294 college students are randomly selected and surveyed, it is found that 130 own a car. Find a 90% confidence interval for the proportion of all college students who own a car. Show all work!!
When 308 college students are randomly selected and surveyed , it is found that 129 own...
When 308 college students are randomly selected and surveyed , it is found that 129 own a car . Find a 95% confidence interval for the true proportion of all college students who own a car.
When 308 college students are randomly selected and surveyed , it is found that 129 own...
When 308 college students are randomly selected and surveyed , it is found that 129 own a car . Find a 95% confidence interval for the true proportion of all college students who own a car.
4* When 308 college students are randomly selected and surveyed, it is found that 129 own...
4* When 308 college students are randomly selected and surveyed, it is found that 129 own a car. Find a 95% confidence interval for the true proportion of all college students who own a car. O 0.363 <p <0.473 O 0.310 < p < 0.434 30.364 < p < 0.474 0.362 < p < 0.474
At a certain college a random sample of 90 college students were surveyed and 75 students...
At a certain college a random sample of 90 college students were surveyed and 75 students were found to have cars on campus. It had long been believed that 80% of students kept their cars on campus. Is there evidence, using alpha = 0.05, to say the proportion has increased? State the type of test you are performing (multiple choice) State the null and alternative hypotheses Using Minitab results, state the test statistic Using Minitab results, state the p-value Decision...
Confidence Intervals: A group of 50 randomly selected JWU students have a mean age of 20.5...
Confidence Intervals: A group of 50 randomly selected JWU students have a mean age of 20.5 years. Assume the population standard deviation is 1.5 years. Construct a 99% confidence interval for the JWU population mean age. State your answer. (Zc 2.57) 1. 2. Construct a 90% confidence interval for the population mean, . Assume the population has a 2 normal distribution. A random sample of 20 JWU college students has mean annual earnings of 0 $3310 with a standard deviation...
13. (1 point) Wayne State College surveyed 900 students to learn if students would like to...
13. (1 point) Wayne State College surveyed 900 students to learn if students would like to switch to Coke products in school vending machines. The survey found 396 said the college should make the switch. What is the point estimate of the proportion of students at the college who would say the college should switch to Coke products? a. 396 b. 900 c. 0.44 d. 2.27 14. (1 point) Wayne State College surveyed 900 students to learn if students would...
1) When 327 college students are randomly selected and surveyed, it is found that 121 own...
1) When 327 college students are randomly selected and surveyed, it is found that 121 own a car. Construct and interpret a 99% confidence interval for the percentage of all college students who own a car. Be sure to check the conditions.
Question 4 4) When 328 college students are randomly selected and surveyed, it is found that...
Question 4 4) When 328 college students are randomly selected and surveyed, it is found that 122 own a car. Find a 99% confidence interval for the true proportion of all college students who own a car. O 0.303 <p<0.441 O 0.320 < p < 0.424 O 0.328 <p<0.416 O 0.310 < p <0.434 Question 5 Assume that the population has a normal distribution. 51 A sociologict doulonc a tort to moncuro dar tovarde public
At one large college, 1969 out of the 3500 students surveyed said they plan to take...
At one large college, 1969 out of the 3500 students surveyed said they plan to take another science class. Find the 95% confidence interval for the proportion of students that said they plan to take another science class. _?_% to _?_%
4* When 308 college students are randomly selected and surveyed, it is found that 129 own a car. Find a 95% confidence interval for the true proportion of all college students who own a car. O 0.363 <p <0.473 O 0.310 < p < 0.434 30.364 < p < 0.474 0.362 < p < 0.474
Confidence Intervals: A group of 50 randomly selected JWU students have a mean age of 20.5 years. Assume the population standard deviation is 1.5 years. Construct a 99% confidence interval for the JWU population mean age. State your answer. (Zc 2.57) 1. 2. Construct a 90% confidence interval for the population mean, . Assume the population has a 2 normal distribution. A random sample of 20 JWU college students has mean annual earnings of 0 $3310 with a standard deviation...
1) When 327 college students are randomly selected and surveyed, it is found that 121 own a car. Construct and interpret a 99% confidence interval for the percentage of all college students who own a car. Be sure to check the conditions.
Question 4 4) When 328 college students are randomly selected and surveyed, it is found that 122 own a car. Find a 99% confidence interval for the true proportion of all college students who own a car. O 0.303 <p<0.441 O 0.320 < p < 0.424 O 0.328 <p<0.416 O 0.310 < p <0.434 Question 5 Assume that the population has a normal distribution. 51 A sociologict doulonc a tort to moncuro dar tovarde public
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