A bottle maker believes that 15% of his bottles are defective. If the bottle maker is accurate, what is the probability that the proportion of defective bottles in a sample of 561 bottles would be less than 11%? Round your answer to four decimal places.
A bottle maker believes that 15% of his bottles are defective. If the bottle maker is...
A bottle maker believes that 12% of his bottles are defective. If the bottle maker is correct, what is the probability that the proportion of defective bottles in a sample of 635 bottles would be less than 11%? Round your answer to four decimal places.
A bottle maker calculates that 26% of his bottles are defective. If the bottle maker is accurate, what is the probability that the proportion of defective bottles in a sample of 499 bottles would differ from the population proportion by less than 4%? Round your answer to four decimal places.
A bottle maker assumes that 18% of his bottles are defective. If the bottle maker is accurate, what is the probability that the proportion of defective bottles in a sample of 626 bottles would differ from the population proportion by more than 4%? Round your answer to four decimal places.
A researcher believes that 8% of pet dogs in Europe are Labradors. If the researcher is right, what is the probability that the proportion of Labradors in a sample of 535 pet dogs would differ from the population proportion by less than 3%? Round your answer to four decimal places.
A researcher believes that 2% of pet dogs in Europe are Labradors. If the researcher is right, what is the probability that the proportion of Labradors in a sample of 401 pet dogs would be less than 4%? Round your answer to four decimal places.
A manufacturing process produces 5.5% defective items. What is the probability that in a sample of 51 items: a. 11% or more will be defective? (Round the z-value to 2 decimal places and the final answer to 4 decimal places.) Probability b. less than 1% will be defective? (Round the z-value to 2 decimal places and the final answer to 4 decimal places.) Probability c. more than 11% or less than 1% will be defective? (Round...
Based on historical data, your manager believes that 33% of the company's orders come from first-time customers. A random sample of 188 orders will be used to estimate the proportion of first-time-customers. What is the probability that the sample proportion is less than 0.312 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 26% of the company's orders come from first-time customers. A random sample of 160 orders will be used to estimate the proportion of first-time-customers. What is the probability that the sample proportion is less than 0.27? 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.)
Correct A director of reservations believes that 8 % of the ticketed passengers are no-shows. If the director is correct, what is the probability that the proportion of no-shows in a sample of 897 ticketed passengers would be less than 7%? Round your answer to four decimal places Answer How to enter your answer E Tables Keypad Keyboard Shortcuts Submit Answer © 2020 Hawkes Learning е ар beatsoudo
A director of reservations believes that 7% of the ticketed passengers are no-shows. If the director is right, what is the probability that the proportion of no-shows in a sample of 540 ticketed passengers would differ from the population proportion by greater than 3%? Round your answer to four decimal places.