Suppose Anvil Work's on-hand inventory is 4130 tons (not the answer from the values above, but use other relevant values in your calculations), on average. What in-stock probability does it offer to its customers? (you number should look like this: 0.9233 for 92.33%, round to two decimal places.) Suppose Anvil Work's on-hand inventory is 4130 tons (not the answer from the values above, but use other relevant values in your calculations), on average. What in-stock probability does it offer to its customers? (you number should look like this: 0.9233 for 92.33%, round to two decimal places.)