Use the polar plot below to answer the following questions.  1. [1] is the least sensitive microphone array to sound directly behind the patient 2. [2] is the lease sensitive microphone array to sound directly to the sides of the patient    

Identify the solute with the highest van’t Hoff factor.

How does a telecoil work? What is a benefit of using a telecoil?

Which option will increase volume for soft speech that is too soft?

A researcher calculated a confidence interval for the mean amount of time it took a car to stop from 60 miles per hour. His results were (6.9 seconds, 7.8 seconds) with 99% confidence. Determine the proper notation and the value of both the point estimate and margin of error for the mean stopping time. WE USE GREEK LETTERS FOR PARAMETERS (population), ROMAN LETTERS FOR STATISTICS (sample)

Diana takes a state driver’s license test and receives a score of 70. The mean score on this state exam is 76 with a standard deviation of 5. Calculate Diana’s z-score and determine if her score would be considered unusual.   Hints: z =

A father records the amount of milk remaining in all 1 gallon cartons on their shopping day. Which of the following vocabulary words would be correct to describe the variable “The amount of milk remaining in a 1 gallon carton”? Hint: is the variable countable? measurable ?

Would it be unusual for 16 of the bulbs to be defective? Justify your answer. .

Resting heart rates for a population are normally distributed with a mean of 72 bpm and a standard deviation of 10 bpm. If a sample of 16 people is randomly chosen, find the probability their mean heart rate is more than 75 bpm. Hints: *normalcdf

Weights of newborn babies are normally distributed with a mean of 7.5 lb and a standard deviation of 1.25 lb. A newborn whose weight is in the lowest 4% of the population is classified as low birth weight. Find the cutoff for the lowest 4% of birth weights.