Question: At Willy's Aquatic Shop the ratio of danios to zebrafish is 3:4. Of the danios...

Question:

At Willy's Aquatic Shop the ratio of danios to zebrafish is 3:4. Of the danios the ratio of male to female is 1:4, and of the zebrafish the ratio of male to female is 2:3. (1) What percentage of the danios are male? (2) What fraction of these fish that are female are zebrafish?

Please, it would be helpful to see the steps, because the final answers have been given to the above question, but not sure exactly how they arrived at that particular solution. Thank you.

Solutions

Expert Solution

Male Female Total

Danois 0.4286X1/5=0.0857 0.4286X4/5=0.3429 3/7 = 0.4286

Zebrafish 0.5714X2/5=0.2286 0.5714X3/5=0.3428 4/7 = 0.5714

Total 0.3143 0.6857 1.00

(1) Percentage of Danios are male = Male Danios/Total Danios = 0.0857/0.4286 = 0.20 = 20 %

(2) Fraction of female are Zebrafish = Female Zebrafish/Total Female = 0.3428/0.6857 = 0.50

orchestra answered 2 years ago

Next > < Previous

Related Solutions

4. Problem 3-12 (Comprehensive Ratio Calculations) Comprehensive Ratio Calculations The Kretovich Company had a quick ratio of...

4. Problem 3-12 (Comprehensive Ratio Calculations) Comprehensive Ratio Calculations The Kretovich Company had a quick ratio of 1.3, a current ratio of 4.0, a days sales outstanding of 36.5 days (based on a 365-day year), total current assets of $900,000, and cash and marketable securities of $110,000. What were Kretovich's annual sales? Do not round intermediate calculations. Round your answer to the nearest dollar. $ ______________

Question 4 (3 + 4 + 3 = 10 p.) As a new macroeconomic expert at...

Question 4 (3 + 4 + 3 = 10 p.) As a new macroeconomic expert at the Central bank, you are asked to answer the following questions: a) Why does a Central bank not have complete control over the size of the money supply? Give two reasons. b) Assume that the inflation rates over three time periods are 1 percent, 2 percent, and 4 percent. Nominal interest rates in the same three periods are 5 percent, 5 percent, and 6...

3 Question 3: In an air standard Diesel cycle with compression ratio 14, the conditions of...

3 Question 3: In an air standard Diesel cycle with compression ratio 14, the conditions of the air at the start of compression stroke are 1 bar and 300 K. After addition of heat at constant pressure, the temperature rises to 2774 K. Determine: a) the thermal efficiency of the cycle b) the net work done per kg of air and the c) mean effective pressure

A cylinder with a 20 inch stroke and a 4:3 area ratio with a bore of...

A cylinder with a 20 inch stroke and a 4:3 area ratio with a bore of 6 inch diameter takes 4 seconds to extend. What is the flow required for extention?

Bracken, Louden, and Menser, who share profits and losses in a ratio of 4:3:3, respectively are...

Bracken, Louden, and Menser, who share profits and losses in a ratio of 4:3:3, respectively are partners in a home decorating business that has not been able to generate the income the partners had hoped for. They have decided to liquidate the business and have sold all assets except for their decorating equipment. All partnership liabilities have been settled and all the partners are personally insolvent. The decorating equipment has a book value of $58,000, and the partners have capital...

189. Caitlin, Chris, and Molly are partners and share income and losses in a 3:4:3 ratio....

189. Caitlin, Chris, and Molly are partners and share income and losses in a 3:4:3 ratio. The partnership’s capital balances are Caitlin, $137,000; Chris, $97,000; and Molly, $117,000. Paul is admitted to the partnership on July 1 with a 20% equity and invests $77,000. The balance in Caitlin’s capital account immediately after Paul’s admission is: $139,580 $134,420 $77,000 $85,600 $137,000 195. Martin Company purchases a machine at the beginning of the year at a cost of $69,000. The machine is...

Question 4 A shop is planning an order for a popular Christmas festive season product. Demand...

Question 4 A shop is planning an order for a popular Christmas festive season product. Demand for the product usually starts from first week of December till first week of January and reduces sharply thereafter. For this reason, and to stimulate sales for leftovers, the product is sold at a significantly reduced price from the second week of January to the fourth week of January. Any leftover after the fourth week of January goes waste. The table below gives past...

Question 3 [16] You are the internal auditor of PB Gifts, a gift shop owned by...

Question 3 [16] You are the internal auditor of PB Gifts, a gift shop owned by Pat Bolt. The Creditors’ Control Account and Creditors’ List were prepared by the bookkeeper, Linda Lemmings. The postings from the journals have been done, but you have noted a number of errors and omissions. CREDITORS’ LIST ON 31 JULY 2019 DEBIT CREDIT Khan Traders R563 Thankful Stores R30 560 Connel Ltd R10 890 Yolisa Wholesalers R18 500 TOTALS R563 R59 950 Errors and omissions:...

QUESTION 4 The Manager of a certain merchandising shop selling perfumes believes that his market share...

QUESTION 4 The Manager of a certain merchandising shop selling perfumes believes that his market share is 60%. A sample of 400 people was used to test this hypothesis. However, you disagree,counterclaiming that: 1. The merchandiser’s market share is actually not 60%. OR 2. The merchandiser’s market share does not exceed 60%. OR 3. The merchandiser’s market share is more than 60%. Required a. Formulate the NULL Hypothesis for each of the three scenarios above (1, 2 and 3). b....

There is an answer sheet for question 3 and 4 at the end for you to...

There is an answer sheet for question 3 and 4 at the end for you to check. Please show your work. 1. Consider our favorite demand curve P = 10 –Q. If the price is set at $7 what is our total consumer surplus? $5? $3? 2. For the supply curve P = 2 + .5Q, if the price is set at $7 what is our total producer surplus? $5? $3? 3. Suppose the market for watermelons can be described...

Subjects