jericho

a manufacturer of bicycle tire has developed a new system which he claims an average life span of 5 years. with the standard deviation of 1.2 years a dealer product claims that the average life span of 150 samples is only 3.5 years. test the difference of...

supposed that the average weight loss for someone on a diet is 15 pounds with the standard deviation of 4 pounds. a sample of 18 adults enrolled a sswp have a mean weight loss of 15.83. using 0.01 level of significance.

my tens digit is 3 less than my hundredths digit. The difference between my tenths and hundredths digit is 5. The sum of my digits is 10. What number am I?

I ONLY HAVE ONES AND TENTHS DIGITS. I AM LESS TAHN 9. ONE OF MY DIGITS IS 3 MORE THAN THE OTHER. WHAT NUMBER AM I?

a 1000kg car is travelling with a speed of 33.3m/s2 when the driver saw an intersection 30m away. how much force is needed to stop the car right away?

Given that f and g are defined by f(x) = √x and g(x) = x2 – 1, find the following: a.) (f o f)(x) b. (g o g)(x) c.) (g o f)(x) help me with some pls

I am dealing with 3 digit numbers. and it's tenths and hundredths. thank you