A Survey of 2690 Musicians Showed That 368 of Them

question 10

Multiple Choice

A survey of 2690 musicians showed that 368 of them are left-handed. Find a point estimate for p, thepopulation proportion of musicians that are left-handed.

• A) 0.137
• B) 0.863
• C) 0.158
• D) 0.120

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Definitions:

Relay Valve Crack Pressures

The minimum pressure that must be reached in a pneumatic system before a relay valve opens, allowing air to flow through and activate other components.

Trailer Train Combination

The coupling of a tractor unit with one or more trailers in a configuration designed to transport goods, optimizing for load capacity and road safety.

Balanced Braking

The equal application of brakes on all wheels of a vehicle to ensure safe and effective stopping.

TP Valve

Temperature Pressure Relief Valve; a safety device on water heaters to release water should either the temperature or pressure get too high, preventing potential explosions.