Below, n is the sample size, p is the population proportion of successes, and X is...
Below, n is the sample size, p is the population proportion and p-hat is the sample proportion. Use the Central Limit Theorem and the TI-84 calculator to find the probability. Round the answer to at least four decimal places. n=48 p=0.14 Find P(0.11< p-hat < 0.19) =_________
Question 1 of 2 (1 point) Attempt 1 of Unlimited 7.5 Section Exercise Below, n is the sample size, p is the population proportion of successes, and X is the number of successes in the sample. Use the normal approximation and the TI-84 Plus calculator to find the probability. Round the answer to at least four decimal places. n=80, p=0.45 P(X<42) -
Suppose a simple random sample of size n= 1000 is obtained from a population whose size is N=2,000,000 and whose population proportion with a specified characteristic is p=0.49. Complete parts (a) through (c) below. (a) Describe the sampling distribution of p. O A. Approximately normal, ha = 0.49 and 04 0.0002 OB. Approximately normal, H = 0.49 and 04 <0.0004 C. Approximately normal, HA = 0.49 and 4 20.0158 (b) What is the probability of obtaining x=510 or more individuals...
Use the normal approximation to find the indicated probability. The sample size is n, the population proportion of successes is p, and X is the number of successes in the sample. n = 90, p = 0.56: P(45 < X < 58) Group of answer choices 0.0655 0.7853 0.1492 0.9345
A sample of size 45 will be drawn from a population with mean 53 and standard deviation 11. Use the T1-84 Plus calculator. (a) Is it appropriate to use the normal distribution to find probabilities for x? (b) Find the probability that will be between 54 and 55. Round the answer to at least four decimal places (c) Find the 47th percentile of x. Round the answer to at least two decimal places. Yes (a) Is it appropriate to use...
Given a population in which the probability of success is p=0.55, if a sample of 400 items is taken, then complete parts a and b a. Calculate the probability the proportion of successes in the sample will be between 0.52 and 0.60. b. Calculate the probability the proportion of successes in the sample will be between 0.52 and 0.60 if the sample size is 200 a. The probability the proportion of successes in the sample will be between 0.52 and...
A random sample of size n = 84 is taken from a population of size N = 931 with a population proportion p = 0.58. [You may find it useful to reference the z table.] a-1. Is it necessary to apply the finite population correction factor? Yes No a-2. Calculate the expected value and the standard error of the sample proportion. (Round "expected value" to 2 decimal places and "standard error" to 4 decimal places.) b. What is the probability...
Suppose a simple random sample of size n= 1000 is obtained from a population whose size is N = 2,000,000 and whose population proportion with a specited characteristic is p0.75. Complete parts (a) through (c) below (a) Describe the sampling distribution of O A. Approximately normal, *0.75 and GA 0.0002 OB. Approximately normal pe=0.75 and C 0.0137 O C. Approximately normal. = = 0.75 and 0.0003 P Suppose a simple random sample of strena 1000 is obtained from a population...
#20 Suppose a simple random sample of size n= 1000 is obtained from a population whose size is N = 1,500,000 and whose population proportion with a specified characteristic is p=0.48. Complete parts (a) through (c) below. (a) Describe the sampling distribution of p. O A. Approximately normal, HA=0.48 and 40.0002 OB. Approximately normal, HA 0.48 and OC. Approximately normal, HA=0.48 and 6 0.0004 0.0158 (b) What is the probability of obtaining x = 510 or more individuals with the...