1. suppose a sample of size n=75 is taken from a population of size N=10,0000 The...
1. suppose a sample of size n=75 is taken from a population of size N=10,0000 The population proportion is p=.8 what is the probability that the sample proportion is less than or equal to .68
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1. suppose a sample of size n=75 is taken from a population of
size N=10,0000 The...
Suppose a simple random sample of size n=75 obtained from a population whose size isUpper N=25,000...
Suppose a simple random sample of size n=75 obtained from a population whose size isUpper N=25,000 and whose population proportion with a specified characteristic is p=0.6 . a. What is the probability of obtaining x=48 or more individuals with the characteristic? That is, what is P(^p>or equal to0.64)
A random sample of size n = 84 is taken from a population of size N...
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...
A random sample of size n = 87 is taken from a population of size N...
A random sample of size n = 87 is taken from a population of size N = 847 with a population proportion p = 0.75. [You may find it useful to reference the z table.] a-1. Is it necessary to apply the finite population correction factor? 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 that the...
Suppose a simple random sample of size n = 75 is obtained from a population whose...
Suppose a simple random sample of size n = 75 is obtained from a population whose size is N = 10,000 and whose population proportion with a specified characteristic is p=0.6. Complete parts (a) through (c) below. (a) Describe the sampling distribution of p. Choose the phrase that best describes the shape of the sampling distribution below. O A. Not normal because n s 0.05N and np(1-p) < 10. O B. Not normal because ns0.05N and np(1-P) 2 10. O...
A random sample of size n = 124 is taken from a population of size N...
A random sample of size n = 124 is taken from a population of size N = 3,835 with a population proportion of p = 0.63. [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...
A random sample of size n=73 is taken from a population of size n=749 with a...
A random sample of size n=73 is taken from a population of size n=749 with a population proportion p=0.59 n = 73, p = 0.59 a-1. Is it necessary to apply the finite population correction factor? No a-2. calculate the 1.expected value and the 2.standard error of the sampling proportion
Suppose that a random sample of size 1 is to be taken from a finite population...
Suppose that a random sample of size 1 is to be taken from a finite population of size N. Answer parts (a) through (c) below. a. How many possible samples are there? A. N + 1 B. N-1 0 C. N D. 1 b. Identify the relationship between the possible sample means and the possible observations of the variable under consideration. Choose the correct answer below. A. Each possible sample mean is equal to an observation, only if the population...
A random sample of size n = 347 is taken from a population of size...
A random sample of size n = 347 is taken from a population of size N = 7,200 with mean μ =-70 and variance ơ2-151. Use Table 1. a-1. Is it necessary to apply the finite population correction factor? Yes O No a-2. Calculate the expected value and the standard error of the sample mean. (Negative values should be indicated by a minus sign. Round "standard error" to 2 decimal places.) Expected value Standard error b. What is the...
A random sample of size 200 is to be taken from a population that has a...
A random sample of size 200 is to be taken from a population that has a proportion equal to 0.75. The sample proportion will be used to estimate the population proportion. a. Calculate the probability that the sample proportion will be within 1 0.02 of the population proportion. b. Calculate the probability that the sample proportion will be within +2 standard errors of the population proportion. c. Calculate the probability that the sample proportion will be within +0.04 of the...
suppose X1, X2 is a random sample of size n = 2 from a population distribution....
suppose X1, X2 is a random sample of size n = 2 from a
population distribution.
i) compute P(X1=X2)
ii) what is the probability that the sample mean is less than
1.5?
T 0 1 2 P(x) 0.2 0.5 0.3
Suppose a simple random sample of size n = 75 is obtained from a population whose size is N = 10,000 and whose population proportion with a specified characteristic is p=0.6. Complete parts (a) through (c) below. (a) Describe the sampling distribution of p. Choose the phrase that best describes the shape of the sampling distribution below. O A. Not normal because n s 0.05N and np(1-p) < 10. O B. Not normal because ns0.05N and np(1-P) 2 10. O...
Suppose that a random sample of size 1 is to be taken from a finite population of size N. Answer parts (a) through (c) below. a. How many possible samples are there? A. N + 1 B. N-1 0 C. N D. 1 b. Identify the relationship between the possible sample means and the possible observations of the variable under consideration. Choose the correct answer below. A. Each possible sample mean is equal to an observation, only if the population...
A random sample of size n = 347 is taken from a population of size N = 7,200 with mean μ =-70 and variance ơ2-151. Use Table 1. a-1. Is it necessary to apply the finite population correction factor? Yes O No a-2. Calculate the expected value and the standard error of the sample mean. (Negative values should be indicated by a minus sign. Round "standard error" to 2 decimal places.) Expected value Standard error b. What is the...
A random sample of size 200 is to be taken from a population that has a proportion equal to 0.75. The sample proportion will be used to estimate the population proportion. a. Calculate the probability that the sample proportion will be within 1 0.02 of the population proportion. b. Calculate the probability that the sample proportion will be within +2 standard errors of the population proportion. c. Calculate the probability that the sample proportion will be within +0.04 of the...
suppose X1, X2 is a random sample of size n = 2 from a
population distribution.
i) compute P(X1=X2)
ii) what is the probability that the sample mean is less than
1.5?
T 0 1 2 P(x) 0.2 0.5 0.3
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