# Logarithm + reason - math problems

#### Number of problems found: 5

• Poisson distribution - daisies
The meadow behind FLD was divided into 100 equally large parts. Subsequently, it was found that there were no daisies in ten of these parts. Estimate the total number of daisies in the meadow. Assume that daisies are randomly distributed in the meadow.
• Lion or virgin
We toss the coin, and every throw fits a lion or a virgin with an equal probability of 1/2. Determine how much we have to make throws that with probability 0.9 lion fell at least once.
• Compound interest
Calculate time when the deposit in the bank with interest 2.5% p.a. doubles.
• Dice
How many times must throw the dice, the probability of throwing at least one six was greater than 90%?
• When will I be a millionaire?
Barry monthly send 280 euros to the bank, which he deposits bear interest of 2.1% p. A. Calculate how many months must Barry save to save 1000000 euros? Inflation, interest rate changes, or bank failures are ignored.

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Logarithm - math problems. Reason - math problems.