Recent activity by Adam Fletcher

Recent activity by Adam Fletcher

Suppose that the joint probability density function for the random variables X and Y is f(x, y)= k exp(- x -y) ; x, y >0 . Verify that f(x,y) is a valid probability mass function.

answered Dec 25, 2024

1 answer 72.6k views

A manager calculated that her attainable product cost for an accounting period was $29,000. Her actual product cost for the period was $32,580. What was the manager's operational efficiency ratio for this

answered Nov 26, 2024

1 answer 193k views

A portfolio includes 20% stock a, 40% stock b, and the remainder of stock c. the beta of stocks a, b, and c are 1.5, 1.2, and 0.6, respectively. what is the portfolio beta?

answered Apr 27, 2024

1 answer 159k views

What is test performed on blood to determine the level of sugar in the bloodstream?

asked Mar 27, 2024

1 answer 166k views

A special offer box of breakfast cereal contains 20% extra free. The mass of cereal in the special offer box is 750 g. what is the mass of cereal in a normal size box

answered Feb 5, 2024

1 answer 136k views

What is the range from these numbers 29,84,34,94,53,97,64,72,57,19

asked Jan 3, 2024

1 answer 55.4k views

What is the wavelength of this wave? Frequency: 2 Hz Speed: 5 cm/s 2.5 Hz 2.5 cm

answered Dec 2, 2023

1 answer 201k views

Above is an image of Paul Gauguin’s Tahitian Landscape. Which of the following is not true about this piece? a. Gauguin relied on geometric shapes to create mood and energy in his piece. b. The artist’s

answered Sep 27, 2023

2 answers 184k views

Groups of students are hiking from a mile markers 2,6, and 8 to meet at the waterfall located at a mile marker 5 how can you use the Mile marker to determine the number of miles each group of students

answered Sep 26, 2023

1 answer 133k views

Really need help anybody!?!

answered Aug 10, 2023

2 answers 122k views

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asked May 27, 2023

2 answers 10.5k views

Sixteen was added to the product of a number and 3. The result was 5 less than the product of the same number and -4. What was the number?

asked Apr 20, 2023

1 answer 231k views

Need help really please someone

asked Apr 19, 2023

2 answers 36.4k views

What is the midpoint of PQ

answered Feb 22, 2023

1 answer 131k views

Sam has $50 in an account that earns 5% interest compounded annually. To the nearest cent, how much will he have in 3 years?

answered Feb 9, 2023

2 answers 119k views

Which action is the best way to prevent cavities? O A. Washing your hands regularly with soap O B. Keeping your hands away from your mouth O C. Changing your toothbrush every three months D. Using a fluoride-based

answered Dec 14, 2022

2 answers 81.7k views

Freddy offers to supply water bottles to Jerry’s Gym at a cost of $40a case. The signed contract says that Jerry’s Gym will buy one case of water a month for 12 months. Three months into the contract,

answered Nov 26, 2022

1 answer 16.9k views

Part 1 - Application Give a convincing argument with logical explanations that the contrapositive of a conditional is the same as the converse of the inverse of the conditional

asked Oct 27, 2022

1 answer 146k views

If the parent strand of DNA is 3’ A-T-G-G-C-T-T-A-C 5’ what will the daughter strand be?

answered Oct 10, 2022

1 answer 191k views

Four friends went to the each person bought a movie ticket and the total the four friends spent on the tickets was $52 Which equation can be used to find the cost of each ticket

answered Oct 6, 2022

2 answers 87.2k views

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