It is the bank routing number
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The waiting time at which 10 percent of the people would continue to hold is given as 2.3
<h3>How to solve for the waiting time</h3>
We have to solve for X ~ Exponential(λ).
then E(X) = 1/λ = 3,
= 0.3333
Remember that the cumulative distribution function of X is F(x) = 1 - e^(-λx). ; x is equal to the time in over case
For 10 percent of the people we would have a probability of
10/100 = 0.1
we are to find
P(X ≤ t)
= 1 - e^(0.3333)(t) = 0.1
Our concern is the value of t
Then we take the like terms
1-0.1 = e^(0.3333)(t)
1/0.9 = e^(0.3333)(t)
t = 3 * ln(1/0.9)
= 0.3157
Answer:
A. A place where investors can buy and sell different investments.
Explanation:
A stock exchange is a place for the exchange of stocks in the market. In other words, it is a place where investors could 'meet' to buy or sell stocks, be it investments, company shares, or company securities.
A stock market, in simple words, is the marketplace for the buying and selling of investments, a trading place for buyers and sellers. So, a stock exchange is a transaction dealing with stocks, equities, or shares of the commercial world. And the transaction or exchange can only be done if the stock is listed on an exchange.
Thus, the correct answer is option A.
