# Question

A lecture hall has 200 seats with folding arm tablets, 30 of which are designed for left-handers. The typical size of classes that meet there is 188, and we can assume that about 13% of students are left-handed. Use a Normal approximation to find the probability that a right- handed student in one of these classes is forced to use a lefty arm tablet.

## Answer to relevant Questions

The pediatrician in Exercise 4 explains to the parents that the most extreme 5% of cases often require special treatment or attention. a) Does this child fall into that group? b) What do you need to assume about the heights ...My employee seems to leave work anytime between 5PM and 6PM, uniformly. a) What is the probability he will still be at work at 5:45 PM? b) What is the probability he will still be at work at 5:45 PM every day this week ...What percent of a standard Normal model is found in each region? Draw a picture first. a) 2 > —2.05 b) 2 < -0.33 c) 1.2 < 2 < 1.8 d) |z| < 1.28 A cable provider wants to contact customers in a particular telephone exchange to see how satisfied they are with the new digital TV service the company has provided. All numbers are in the 452 exchange, so there are 10,000 ...Indicate whether each statement below is true or false. If false, explain why. a) Asking viewers to call into an 800 number is a good way to produce a representative sample. b) When writing a survey, it’s a good idea to ...Post your question

0