Opre homework

Question 5 The assembly time for a product is uniformly distributed between 6 and 10 minutes. The probability density function has what value in the interval between 6 and 10? a. f(x)= 5 O b. f(x)= 0.25 O c. f(x)= 0 O d. f(x)= 4Question 19 The daily dinner bills in a local restaurant are normally distributed with a mean of $28 and a standard deviation of $6. What is the minimum value of the bill that is greater than 95% of the bills? O a. -1.645 O b. 37.87 O c. 1.645 O d. 18.13Question 8 In a Standard Normal distriution, find the value "z" for which: The area between -z and z is 0.6630. O a. 0.94 O b. 0.96 O c. 0.445 O d.0.42Question 12 The length of time it takes students to complete a statistics examination is uniformly distributed and varies between 40 and 60 minutes. What is the probability that a student will take no more than 45 minutes to complete the examination. O a. 1 O b. 0.75 O c. 0.25 O d. 0.5Question 16 The daily dinner bills in a local restaurant are normally distributed with a mean of $28 and a standard deviation of $6. What is the probability that a randomly selected bill will be at most $40? O a. 0.9821 O b. 0.0228 O c. 0.0179 O d.0.9772Question 7 The length of time it takes students to complete a statistics examination is uniformly distributed and varies between 40 and 60 minutes. What is the probability density function for the length of time to complete the exam? O a. f( x ) = - for 40