Instruction: Show solutions for all items, except for #1. Answer in word document or in sheets of paper. For those who w

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Instruction Show Solutions For All Items Except For 1 Answer In Word Document Or In Sheets Of Paper For Those Who W 1 (74.3 KiB) Viewed 97 times

Instruction: Show solutions for all items, except for #1. Answer in word document or in sheets of paper. For those who will answer in word document, submit the file in pdf or doc/docx format (though preferably in pdf format). For those who will answer in sheet/s of paper, picture them and submit in pdf or jpg format (best to combine photos into one PDF file). Rename the file to this format: Last name Section-Assignment#3 (e.g., TanWFR-Assignment#3) 1. A sample consists of the following n = 7 scores: 5, 0, 4, 5, 1, 2, and 4. a. Compute the mean and standard deviation for the sample. b. Find the Z-score for each score in the sample. C. Transform the original sample into a new sample with a mean of M = 50 and s = 10. "To better organized your answers in #10 and C. place them in a table like the one below: X Z-score X if M = 50 and s = 10 5 0 4 5 1 2 4 2. Information from the Land Transportation Franchising and Regulatory Board (LTFRB) indicates that the average age of licensed drivers is u = 39.7 years with a standard deviation of a = 12.5 years. Assuming the distribution of drivers' ages is approximately normal. a. What proportion of licensed drivers are more than 50 years old? b. What proportion of licensed drivers are less than 30 years old? c. What proportion of licensed drivers are between 16 and 21 years old? d. Find the age (rounded to the nearest whole number) that would separate the distribution into two sections so that there is 5% in the tail on the right-hand side. 3. A multiple choice test has 60 questions, each with four response choices. If a student is simply guessing at the answers, a. On average, how many questions would a student get correct for the entire test? b. What is the probability that a student would get more than 20 answers correct simply by guessing? c. What is the probability that a student would get 10 or less answers correct simply by guessing?