what is the probability that a person buys their first home older than 35

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# CDC data set #REMEMBER THE DATA IS NAMED cdc, don't forget to run the link first! #Don't forget to use $ to separate the name of the dataset and the column for some questions below ex: mean(cdc$weight) OR attach data with the code attach() #INSTRUCTIONS #Type the codes for each question #Include answers to ALL questions in the script as a comment (with a #). #Questions with a * next to it will ALSO require you to input the answer in Canvas. #Lastly, upload this R script AND input the corresponding answers to Canvas. #If you are missing codes or answers in this script, points will be deducted. source("http://www.openintro.org/stat/data/cdc.R") # 1 View the data # *2 How many observations and variables are there? # 3 Find the names of the variables #Use summary code to view a summary of the age variable *Don't forget to use $ if you didn't attach data # *4 What is the median age? What is the age of the youngest person in the data? # *5 What is the height of the tallest and shortest person *Don't forget to use $ if you didn't attach data # 6 Show the first 3 observations in the dataset # 7 Show the last 5 observations in the dataset # 8 Use the mean code to find the mean of the wtdesire column and save it as av_wtdesire *Don't forget to use $ if you didn't attach data # *9 Run your item, av_wtdesire that you just created # *10 Find the standard deviation of age and the variance of height # 11 View a histogram of height # *12 What class is genhlth # 13 Create a table of hlthplan # *14 What is the 3rd quantile of height and what does it mean? Hint: Use summary code # 15 Find the first 3 observations of the weight column ###Normal Distribution### # *16 Let's assume the age a person buys their first house is normally distributed with a mean of 28 years old and a standard deviation of 7 years. #a What is the probability that a person buys their first home younger than 24 years old? #b What is the probability that a person buys their first home older than 35? #c What is the probability that a person buys their first home between 20 and 37 years old? #d What age is the cuttoff value corresponding to the top 20%? #e What age is the cutoff value corresponding to the bottom 30%?

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