![valeriekbueno](/avatars/36411.jpg)
valeriekbueno
10.06.2021 •
Mathematics
Suppose that the lifetimes of a certain kind of light bulb are normally distributed with a standard deviation of 110 hours. If exactly 90% of the bulbs die before 930 hours, find the mean lifetime of the bulbs. Carry your intermediate computations to at least four decimal places.
Solved
Show answers
More tips
- S Style and Beauty How to Get Rid of Acne: Scientifically Proven Methods...
- H Health and Medicine Simple Ways to Lower Cholesterol in the Blood: Tips and Tricks...
- O Other How to Choose the Best Answer to Your Question on The Grand Question ?...
- L Leisure and Entertainment History of International Women s Day: When Did the Celebration of March 8th Begin?...
- S Style and Beauty Intimate Haircut: The Reasons, Popularity, and Risks...
- A Art and Culture When Will Eurovision 2011 Take Place?...
- S Style and Beauty How to Choose the Perfect Hair Straightener?...
- F Family and Home Why Having Pets at Home is Good for Your Health...
- H Health and Medicine How to perform artificial respiration?...
- H Health and Medicine 10 Tips for Avoiding Vitamin Deficiency...
Answers on questions: Mathematics
- M Mathematics A bag has 3 red marbles, 2 blue, 4 greens and 1 yellow. Lucy draws 40 marbles out of the bag and gets 15 red marbles, 18 green, and 7 blue marbles. What is the experimental...
- M Mathematics Find x. Round your answer to the nearest tenth. 20° X 9...
- M Mathematics Plzz help!! Use the following...
- M Mathematics Pls pls pls help me I will give brainlist pls Choose Yes if the capital letters are used correctly. Choose No if capital letters are used incorrectly. Who will win...
- M Mathematics A company is making circular lids for a certain type of container. The lid is fiat and has a diameter of 9 centimeters. What is the approximate area of the top of...
- M Mathematics Determine the intercepts of the line....
- M Mathematics Determine the volume of this rectangular pyramid. Group of answer choices 93.34in3 186.67in3 560in3 280in3...
- M Mathematics 15 Points please help me fast i need help please help me For the first question u can choose Less than , Greater than , The same as For the second question you can...
- M Mathematics What is the surface area? 7.4 ft 4.8 ft 7.4 ft 9.9 ft 7 ft square feet...
- M Mathematics Which point on the number line represents −23? Point S Point R Point P Point Q...
Ответ:
sorry bro
Step-by-step explanation:
i really need the points
Ответ:
the answer is 90 degrees
step-by-step explanation: