statistics
posted by Joe .
A shipping company received an order of 1645 packages. The manager needs to determin the mean weight of the packages. (A) How many randomly selected packages would be need to weight to estimate with a 95% confidence, the mean weight within +/1.5 pounds if prior studies indicate that the standard dev of all weights is around 8 pounds?
Respond to this Question
Similar Questions

Math
Ms wanton recycles colored pencils in a box for use in her art class. She has accumulated 4 red 5 blue 3 yellow and 3 green colored pencils. If one of her students reaches into the box and selects one pencil without looking what is … 
Statistics
A packing company investigates a national training consultant in hopes of improving productivity on the packing line. The national consultant agrees to work with 18 employees, collecting productivity data for each employee before the … 
ap statistics
The manager at Air Cargo feels that the weights of packages shipped recently are less than in the past. Records show that in the past packages have had a mean weight of 36.7 lb. and a variance of 201.64 lb2. A random sample of last … 
ap statistics
What would the null and alternate hypothesis be for this problem? 
statistics
Buy three small packages of M&Ms and 5 small packages of another brand of candy (same net weight as the M&Ms). Test whether or not the mean number of candy pieces per package is the same for the two brands. 
Math
Ms. Sue, Here are my questions you told me to repost. Thank you! I appreciate your help. 14. Mark weighs 74 pounds. Together, he and his sister weigh six pounds more than three times the weight of his sister. What is the weight, w, … 
Math
Number of packages of red peppers to number of packages of green packages is ratio of 8:13. Peppers are sold in 2pound packages. What is the least possible weight of red peppers in bin? 
Statistics
75 packages are randomly selected from packages received by a parcel service. The sample has a mean weight of 10.2 pounds and a standard deviation of 2.9 pounds. What is the 95% confidence interval for the true mean weight of all packages … 
math
A company paid $48 for 2 cases of printer paper. Each case contained 12 packages of paper. Next month the company’s office manager needs to order 180 packages of the same paper. If the price per package does not change, what would … 
Math Help
The following table shows the price charged by a local courier company to collect and deliver packages. # of packages Cost ($) 1 15 2 17 3 19 What is the cost to have b packages collected and delivered?