Acompany operating under a continuous review system has an average demand of 50 units per week for the item it produces. the standard deviation in weekly demand is 20 units. the lead-time for the item is six weeks, and it costs the company $30 to process each order. the holding cost for each unit is $10 per year. the company operates 52 weeks per year. (for z values refer to normal distribution table in the textbook, pg 599 or you can use excel functions)what is the reorder point level if the company has a policy of maintaining a 90% cycle-service level? a. less than or equal to 200 unitsb. greater than 200 but less than or equal to 300 unitsc. greater than 100 but less than or equal to 150 unitsd. greater than 300 but less than or equal to 400 unit

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.)