k purchased a life insurance policy in 1986 which paid 10% interest in the early years of the policy. 20 years after the purchased, she received a notice from the insurer stating that the policy will soon terminate unless a much higher premium is paid because because of falling interest rates. this type of policy is known as a life policy

One question from a survey was "how many credit cards do you currently have? " the results of the survey are provided. complete parts (a) through (g) below. click the icon to view the survey results. (a) determine the mean number of credit cards based on the raw data. the mean is 3.113.11 credit cards. (type an integer or a decimal. do not round.) (b) determine the standard deviation number of credit cards based on the raw data. the standard deviation is 1.9111.911 credit cards. (round to three decimal places as needed.) (c) determine a probability distribution for the random variable, x, the number of credit cards issued to an individual. x (# of cards) p(x) x (# of cards) p(x) 1 0.280.28 6 nothing 2 nothing 7 nothing 3 nothing 8 nothing 4 nothing 9 nothing 5 nothing 10 nothing (type integers or decimals. do not round.)

True or false: a fitted model with more predictors will necessarily have a lower training set error than a model with fewer predictors.

On average, someone with a bachelor's degree is estimated to earn times more than someone with a high school diploma. a)1.2 b)1.4 c)1.6 d)1.8