Let X be a random variable representing the weight of
strawberries.
<span>
μ= 12</span>
σ= 2.5
Solution:
<span>
P(X < 10) = P(z < (10 - 12)/2.5) </span>
= P(z < -2/2.5)
= P(z < -0.8)
= 1 - P(z < 0.8)
= 1 - 0.7881
= 0.2119
<span>The answer is letter B.</span>
Answer:
b
Step-by-step explanation:
Answer:
A=1/4 B=√2
Step-by-step explanation:
Answer:
There will be 20 914 rupees in the amount at the end of 3 years.
Step-by-step explanation:
The amount of rupes after t years in compound interest is given by:
In which A(0) is the initial amount and r is the interest rate, as a decimal.
Hiran invests 20 000 rupees in an account for 3 years at 1.5% per year compound interest.
This means that . So
Work out the total amount of money in the account at the end of 3 years.
This is A(3). So
Rounding to the nearest rupee.
There will be 20 914 rupees in the amount at the end of 3 years.