Question 4 4) When 328 college students are randomly selected and surveyed, it is found that...
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
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 a car . Find a 95% confidence interval for the true proportion of all college students who own a car.
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!!
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.
Recently, 405 college students were surveyed, 185 said they own their car. Calculate a 90% confidence interval for the proportion of college students who say they own their cars. OA. (0.4568, 0.4975) O B. (0.4161, 0.4568) O C. (0.4568, 0.9000) O D. (04161, 0.4975)
Use the given degree of confidence and sample data to construct a confidence interval for the population proportion p. Round to three decimal places When 310 college students are randomly selected and surveyed, it is found that 112 own a car. Find a 99% confidence interval for the true proportion of all college students who own a car. O A. 0.291 <p<0.432 OB. 0.298 <p<0.425 OC. 0.316<p<0.406 OD. 0.308<p <0.415
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...
D Question 4 1 pts It has been found that 72% of college students own a car. If 40 students are selected at random, what is the variance for the number of them who own their car? 3.347 O 11.2 2.840 28.8 8.064 5.367
A statistics student at a New York State community college, randomly samples 900 students who own cell phones to determine if they play games on their phones. 75% stated that they use their mobile phones to play games. Using this information, then: construct a 90% confidence interval (to 4 decimal places) for the population proportion, p, of NYS community college cell phone users who play games on their phones. construct a 99% confidence interval (to 4 decimal places) for the...