The energy information administration reported that the mean retail price per gallon of regu lar grade gasoline was $3.43 (energy information administration, july 2012). suppose that the standard deviation was $.10 and that the retail price per gallon has a bellshaped distribution. a. what percentage of regular grade gasoline sold between $3.33 and $3.53 per gallon? b. what percentage of regular grade gasoline sold between $3.33 and $3.63 per gallon? c. what percentage of regular grade gasoline sold for more than $3.63 per gallon?

1. gdp is calculated by summing consumption, investment, and exports of all final goods and services produced within the borders of a given country during a specific period the dollar value of all final goods and services produced within the borders of a given country during a specific period government expenditures within the borders of a given country during a specific period the quantity of all final goods and services produced within the borders of a given country during a specific period

Which type of data is generally stored in different file formats, such as text files, spreadsheets, and so on?

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.)