a random sample of 100 us individuals were selected from a population. the probability of having...
a random sample of 100 us individuals were selected from a population. the probability of having hypertension is about 24%. What is the probability that there are at most 30 people in the sample who have hypertension? Round to 3 decimal places
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a random sample of 100 us individuals were selected from a
population. the probability of having...
Suppose that a random sample of size 64 is to be selected from a population with...
Suppose that a random sample of size 64 is to be selected from a population with mean 30 and standard deviation 7. (Use a table or technology.) (a) What are the mean and standard deviation of the sampling distribution of x? - 30 0 - 0.875 Describe the shape of the sampling distribution of x. The shape of the sampling distribution of x is approximately normale (b) What is the approximate probability that x will be within 0.5 of the...
suppose that 16% of the population of the US is left-handed. If a random sample of...
suppose that 16% of the population of the US is left-handed. If a random sample of 240 people from the US is chosen, approximate The probability that more than 39 or left-handed. Use the normal approximation to the by no meal with the correction for continually. Round your answer to that lease three decimal places do not round any intermediate step
7.3.46-T Question Help If a random sample of 100 items is taken from a population in...
7.3.46-T Question Help If a random sample of 100 items is taken from a population in which the proportion of items having a desired attribute is p = 0.25, what is the probability that the proportion of successes in the sample will be less than or equal to 0.297 The probability will be (Round to four decimal places as needed.)
X 7.3.46-T Question Help If a random sample of 100 items is taken from a population...
X 7.3.46-T Question Help If a random sample of 100 items is taken from a population in which the proportion of items having a desired attribute is p=0.35, what is the probability that the proportion of successes in the sample will be less than or equal to 0.427 The probability will be (Round to four decimal places as needed.)
1. The probability that a person selected at random from a population will exhibit the classic...
1. The probability that a person selected at random from a
population will exhibit the classic symptom of a certain disease is
0.2, and the probability that a person selected at random has the
disease is 0.23. The probability that a person who has the symptom
also has the disease is .18. A person selected at random from the
population does not have the symptom. What is the probability that
the person has the disease? 2. In a certain population...
1. A random sample of 24 values was selected from a population, and the sample standard...
1. A random sample of 24 values was selected from a population, and the sample standard deviation was computed to be 62. Based on this sample result, compute a 90% confidence interval estimate for the true population standard deviation. SOS (Round to two decimal places as needed.)
In a simple random sample of size 51, taken from a population, 24 of the individuals...
In a simple random sample of size 51, taken from a population, 24 of the individuals met a specified criteria. a) What is the margin of error for a 90% confidence interval for p, the population proportion? Round your response to at least 4 decimal places. Number b) What is the margin of error for a 95% confidence interval for p? Round your response to at least 4 decimal places. Number NOTE: These margin of errors are greater than .10...
Suppose the lengths of the pregnancies of a certain animal are approximately normally distributed with mean H 141 days and standard deviation a (a) What is the probability that a randomly selected pr...
Suppose the lengths of the pregnancies of a certain animal are approximately normally distributed with mean H 141 days and standard deviation a (a) What is the probability that a randomly selected pregnancy lasts less than 137 days? The probability that a randomly selected pregnancy lasts less than 137 days is approximately (Round to four decimal places as needed) Interpret this probability. Select the correct choice below and fill in the answer box within your choice (Round to the nearest...
Suppose that a random sample of size 64 is to be selected from a population with...
Suppose that a random sample of size 64 is to be selected from a population with mean 40 and standard deviation 5. (Use a table or technology.) (a) What are the mean and standard deviation of the x sampling distribution? Describe the shape of the x sampling distribution. The shape of sampling distribution is-Select- (b) What is the approximate probability that will be within 0.5 of the population mean? (Round your answer to four decimal places.) (c) What is the...
is selected at random from the population represented by the graph. Find the probability that the...
is selected at random from the population represented by the graph. Find the probability that the member selected at random is from the shaded area of the graph. Assume the variable x is SAT Cica Reading Scaes Q 200 4x< 400 514 σ-122 200 400 800 Score The probability that the member selected at random is from the shaded area of the graph is(Round to four decimal places as needed)
Suppose that a random sample of size 64 is to be selected from a population with mean 30 and standard deviation 7. (Use a table or technology.) (a) What are the mean and standard deviation of the sampling distribution of x? - 30 0 - 0.875 Describe the shape of the sampling distribution of x. The shape of the sampling distribution of x is approximately normale (b) What is the approximate probability that x will be within 0.5 of the...
7.3.46-T Question Help If a random sample of 100 items is taken from a population in which the proportion of items having a desired attribute is p = 0.25, what is the probability that the proportion of successes in the sample will be less than or equal to 0.297 The probability will be (Round to four decimal places as needed.)
X 7.3.46-T Question Help If a random sample of 100 items is taken from a population in which the proportion of items having a desired attribute is p=0.35, what is the probability that the proportion of successes in the sample will be less than or equal to 0.427 The probability will be (Round to four decimal places as needed.)
1. The probability that a person selected at random from a
population will exhibit the classic symptom of a certain disease is
0.2, and the probability that a person selected at random has the
disease is 0.23. The probability that a person who has the symptom
also has the disease is .18. A person selected at random from the
population does not have the symptom. What is the probability that
the person has the disease? 2. In a certain population...
1. A random sample of 24 values was selected from a population, and the sample standard deviation was computed to be 62. Based on this sample result, compute a 90% confidence interval estimate for the true population standard deviation. SOS (Round to two decimal places as needed.)
Suppose the lengths of the pregnancies of a certain animal are approximately normally distributed with mean H 141 days and standard deviation a (a) What is the probability that a randomly selected pregnancy lasts less than 137 days? The probability that a randomly selected pregnancy lasts less than 137 days is approximately (Round to four decimal places as needed) Interpret this probability. Select the correct choice below and fill in the answer box within your choice (Round to the nearest...
Suppose that a random sample of size 64 is to be selected from a population with mean 40 and standard deviation 5. (Use a table or technology.) (a) What are the mean and standard deviation of the x sampling distribution? Describe the shape of the x sampling distribution. The shape of sampling distribution is-Select- (b) What is the approximate probability that will be within 0.5 of the population mean? (Round your answer to four decimal places.) (c) What is the...
is selected at random from the population represented by the graph. Find the probability that the member selected at random is from the shaded area of the graph. Assume the variable x is SAT Cica Reading Scaes Q 200 4x< 400 514 σ-122 200 400 800 Score The probability that the member selected at random is from the shaded area of the graph is(Round to four decimal places as needed)
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