oscargonzalez1991
21.07.2019 •
Mathematics
The life, in years, of a certain type of electrical switch has an exponential distribution with an average life betaequals3. if 300 of these switches are installed in different systems, what is the probability that at most 70 fail during the first year?
Solved
Show answers
More tips
- F Food and Cooking Choosing the Best Water Filter: Tips and Recommendations...
- H Health and Medicine How Much Does Abortion Cost? Expert Answers and Insights...
- H Health and Medicine Contraceptive Pills After 35: The Importance Of Choosing The Right Medication...
- C Computers and Internet How to Set Up Internet on iPhone? Detailed Guide with Step-by-Step Instructions...
- P Philosophy 8 привычек, чтобы достичь счастливой жизни...
- F Food and Cooking How Many Grams Are In a Tablespoon?...
- G Goods and services How to Choose the Right Iron: Purchase Tips...
- S Style and Beauty How to Choose the Perfect Hair Straightener?...
- H Health and Medicine How to Choose the Right Glasses?...
- H Health and Medicine What vaccines do children need?...
Answers on questions: Mathematics
- M Mathematics Which of the following expressions are equivalent to −3.5(2 − 3n) − 2.5n? A. −7 − 8n B. −7 + 8n C. −7 − 13n D. −7 − n(10.5 − 2.5) E. −7 + n(10.5 − 2.5)...
- M Mathematics Need help! Solve for X on both...
- M Mathematics The electrical resistance R ohm of a wire varies directly as the length L cm and inversely as the square root of the diameter d cm a. Express d in terms of L,R and the constant...
- M Mathematics What’s does 120$ plus 40% mean...
- M Mathematics Stefan cycled 10km in 45 minutes. He rested for 20 minutes then cycled a further 8km in 40 minutes. Work out his average speed for the whole journey. Give your answer in km/h...
- M Mathematics Watch help video A parabola can be drawn given a focus of (-4,3) and a directrix of y = -3. Write the equation of the parabola in any form....
- M Mathematics What scale factor takes the original polygon to its smaller copy? Explain or show your reasoning....
- M Mathematics MONTHLY EXPENSE Randy spends an average of $25 per week on gasoline and $45 every three months on the daily newspaper....
- M Mathematics The formula A = P(1 + r) t represents the amount of money A in an account after t years, where P is the amount initially deposited and r is the interest rate. Patricia currently...
- M Mathematics An art museum opens at 9 am and closes at 5 pm. The function V gives the number of visitors in a museum hours after it opens. Use function notation to represent each statement:...
Ответ:
median is 31.5
mode is 45
range is 60
Ответ:
you estimate that the angle of elevation to the top of the 86th floor (the observatory) is 82 .the total height of the building is another 123 meters above the 86th floor.
leave feedback if u need : )