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(8 pts) [Obj #1: Communication AND Diversity] Your daughter’s teacher says, “Like most of my girls, she is a wonderful, thoughtful student. She even tries hard in math and scored fairly well on her last test.” Is there anything prejudicial (judgment) or discriminatory (behavior) in this statement? (Yes, there is, especially the bolded parts!) Write a letter to the school principal to complain but also include explanations of the concepts you introduce. You want to cover in detail what is problematic, explain the type(s) of discrimination AND type(s) of sexist attitudes (see Lecture 7a: ISMs slides) implied in the statement, and show how bias in the teacher’s wording revealed all of this to you (see Lecture 5: Communication slides).  

You are saving for retirement. To live comfortably, you decide that you will need $2.5 million dollars by the time you are 65. If today is your 30th birthday, and you decide, starting today, and on every birthday up to and including your 65th birthday, that you will deposit the same amount into your savings account. Assuming the interest rate is 5%, the amount that you must set aside each and every year on your birthday is closest to:

Suppose you have $1,000 today and the risk-free rate of interest ( rf) is 3.5%. The equivalent value in one year is closest to:

Suppose you have $500 today and the risk-free interest rate ( rf) is 5%. The equivalent value in one year is closest to:

A hotel receptionist checks in an average of 42.85 guests per shift. A sample of 101 different shifts had an average of 45.42 guests with a standard deviation of 8.82.  At α = 0.025, determine whether the true rate is higher than originally thought. What is the df? Report your answer as a whole number.

 A meteorologist wanted to investigate cities with high rainfall. A particular city claims to have an average 104 days of rain. The meteorologist looked at their past 81 years of record and found that the number of rainy days was 97 with a standard deviation of 19.7 days. At

Questions 16 and 17 refer to the same scenario: A study was conducted to determine whether students would benefit from a new method of exam review. The table below shows data of those who passed their next exam. Treat the students who used the Traditional Method as Group 1 and the New Method as Group 2. At α = 0.05, test whether a lower proportion of students using the Traditional Method passed compared with those students using the New Method. Traditional New x1 = 320 x2 = 80 n1 = 500 n2 = 100    

What is the T score that bounds 0.025 area to the right at df = 41? Report your answer to 3 decimal places (and be careful with your signs!)

A hotel receptionist checks in an average of 42.85 guests per shift. A sample of 101 different shifts had an average of 45.42 guests with a standard deviation of 8.82.  At α = 0.025, determine whether the true rate is higher than originally thought. What is the critical value? Report your answer to 3 decimal places.  (Be careful with your signs!)

A meteorologist wanted to investigate cities with high rainfall. A particular city claims to have an average 104 days of rain. The meteorologist looked at their past 81 years of record and found that the number of rainy days was 97 with a standard deviation of 19.7 days. At