Off the production line, there is a 2.2% chance that a candle is defective. If the company selected 40 candles off the line, what is the standard deviation of the number of defective candles in the group?
Off the production line, there is a 2.2% chance that a candle is defective. If the...
Fifty-three percent of employees make judgements about their co-workers based on the cleanliness of their desk. You randomly select 8 employees and ask them if they judge co-workers based on this criterion. The random variable is the number of employees who judge their co-workers by cleanliness. Which outcomes of this binomial distribution would be considered unusual? 1, 2, 7, 8 1, 2, 8 0, 1, 7, 8 0, 1, 2, 8 Sixty-eight percent of products come off the line within...
Parts coming off an assembly line have a 1% chance of being defective. If3 parts are randomly chosen from this line and X is the number of defective parts a. Compute the probability function f(x) for X. b. What is the probability that at least one of the three is defective? Parts coming off an assembly line have a 1% chance of being defective. All of the parts coming off the line are inspected. Let X be the number of...
4. An inspector working for a manufacturing company has a 95% chance of correctly identifying defective items and a 1% chance of incorrectly classifying a good item as defective. The company has evidence that 0.5% of the items its line produce are nonconforming. (a) What is the probability that an item selected for inspection is classified as defective? (b) If an tem selected at random is classified as defective, what is the probability that it is indeed nonconforming? c) If...
Presto Candle Supply makes candles. The sales mix (as a percentage of total dollar sales) of its three product lines is birthday candles 25%, standard tapered candles 40%, and large scented candles 35%. The contribution margin ratio of each candle type is as follows:Candle TypeContribution Margin RatioBirthday10%Standard tapered20%Large scented40%If the company’s fixed costs are $438,060 per year, what is the dollar amount of each type of candle that must be sold to break even? (Round weighted-average contribution margin ratio to 2 decimal places, e.g. 15.25%.)
2-148. An inspector working for a manufacturing company has a 98% chance of correctly identifying defective items and a 0.5% chance of incorrectly classifying a good item as defec- tive. The company has evidence that 1% of the .ems its line produces are nonconforming. (a) What is the probability that an item selected for inspection is classified as defective? b) If an item selected at random is classified as nondefective, what is the probability that it is indeed good?
2-148. An inspector working for a manufacturing company has a 98% chance of correctly identifying defective items and a 0.5% chance of incorrectly classifying a good item as defec- tive. The company has evidence that 1% of the items its line produces are nonconforming. (a) What is the probability that an item selected for inspection is classified as defective? b) If an item selected at random is classified as nondefective, what is the probability that it is indeed good?
Dixie Candle Supply makes candles. The sales mix (as a percentage of total dollar sales) of its three product lines is birthday candles 30%, standard tapered candles 60%, and large scented candles 10%. The contribution margin ratio of each candle type is shown below. Candle Type Contribution Margin Ratio Birthday 20% Standard tapered 30% Large scented 40% What is the weighted-average contribution margin ratio? Weighted-average contribution margin ratio Enter weighted-average contribution margin in percentages % eTextbook and Media If the...
Caroline's Candles makes a wide variety and size of candles which they sell to Yankee Candle. Caroline recently learned of a new approach to job costing - Activity Based Costing (ABC). She asked her cost accountant. Yvonne, to develop an ABC analysis. After observing operations and talking to supervisors and line workers, Yvonne identified three activities, their cost, cost driver and cost driver quantities: • Producing candles which included melting wax, pouring melted wax into molds, inserting the wick, and...
4.14 points] If a production line has a 20% defective rate. What is the mean and variance of number of inspections to obtain the fifth defective?
Number 12 9. In a production process, one fifth of the items fabricated are defective. Ten items from the production line are randomly selected and inspected. Let X be the number of defective articles in this sample. If the distribution of X is Bin(n,p), what are the values of n and p? 10. of the random variable X is given. What is the mean of the distribution? 11. What is of the distribution? 12, X is a random normal normal...