Question

Based on historical data, your manager believes that 28% of the
company's orders come from first-time customers. A random sample of
139 orders will be used to estimate the proportion of
first-time-customers. What is the probability that the sample
proportion is between 0.28 and 0.44?

Answer = (Enter your answer as a number accurate to 4
decimal places.)

Answer #1

Ans : 0.5000

Based on historical data, your manager believes that 28% of the
company's orders come from first-time customers. A random sample of
154 orders will be used to estimate the proportion of
first-time-customers. What is the probability that the sample
proportion is greater than than 0.44?
Answer = (Enter your answer as a number accurate to 4 decimal
places.)

Based on historical data, your manager believes that 28% of the
company's orders come from first-time customers. A random sample of
175 orders will be used to estimate the proportion of
first-time-customers. What is the probability that the sample
proportion is greater than than 0.22?
Answer = (Enter your answer as a number accurate to 4
decimal places.)

Based on historical data, your manager believes that 28% of the
company's orders come from first-time customers. A random sample of
153 orders will be used to estimate the proportion of
first-time-customers. What is the probability that the sample
proportion is greater than than 0.41?

Based on historical data, your manager believes that 38% of the
company's orders come from first-time customers. A random sample of
97 orders will be used to estimate the proportion of
first-time-customers. What is the probability that the sample
proportion is between 0.25 and 0.45?
Answer =
(Enter your answer as a number accurate to 4 decimal
places.)

Based on historical data, your manager believes that 33% of the
company's orders come from first-time customers. A random sample of
245 orders will be used to estimate the proportion of
first-time-customers. What is the probability that the sample
proportion is between 0.22 and 0.39? (Enter your answer as a number
accurate to 4 decimal places.)

Based on historical data, your manager believes that 27% of the
company's orders come from first-time customers. A random sample of
152 orders will be used to estimate the proportion of
first-time-customers. What is the probability that the sample
proportion is less than 0.33?

Based on historical data, your manager believes that 31% of the
company's orders come from first-time customers. A random sample of
128 orders will be used to estimate the proportion of
first-time-customers. What is the probability that the sample
proportion is less than 0.32?
Note: You should carefully round any intermediate values you
calculate to 4 decimal places to match wamap's approach and
calculations.
Answer = (Enter your answer as a number accurate to 4 decimal
places.)

Based on historical data, your manager believes that 32% of the
company's orders come from first-time customers. A random sample of
178 orders will be used to estimate the proportion of
first-time-customers. What is the probability that the sample
proportion is less than 0.29?
Note: You should carefully round any z-values you calculate to 4
decimal places to match wamap's approach and calculations.
Answer = (Enter your answer as a number accurate to 4
decimal places.)

Based on historical data, your manager believes that 32% of the
company's orders come from first-time customers. A random sample of
178 orders will be used to estimate the proportion of
first-time-customers. What is the probability that the sample
proportion is less than 0.29?
Note: You should carefully round any z-values you calculate to 4
decimal places to match wamap's approach and calculations.
Answer = (Enter your answer as a number accurate to 4
decimal places.)

Based on historical data, your manager believes that 27% of the
company's orders come from first-time customers. A random sample of
79 orders will be used to estimate the proportion of
first-time-customers. What is the probability that the sample
proportion is greater than than 0.3?
Note: You should carefully round any z-values you calculate to 4
decimal places to match wamap's approach and calculations.
Answer = (Enter your answer as a number accurate to 4
decimal places.)

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