A Box Contains 14 Batteries of Which 6 Are Still

question 51

Multiple Choice

A box contains 14 batteries of which 6 are still working.Anne starts picking batteries one at a time from the box and testing them.Find the probability that at least one of the first four works.

• A)0.893
• B)0.015
• C)0.084
• D)0.930
• E)0.070

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Definitions:

Margin Accounts

Brokerage accounts that allow investors to borrow money from the broker to buy securities, subject to maintenance requirements.

Primary Market

The primary market is where securities are created and sold for the first time, involving direct transactions between issuers and investors.

Security Issues

The process of offering new securities to the market, including initial public offerings (IPOs) and bond issuances.

Auction Market

A market where buyers and sellers enter competitive bids simultaneously; stock exchanges are an example, where prices are determined by the highest bid and lowest ask.