Question

A Census report shows that 40% of American households have installed energy-efficient LED light bulbs (LEDs). You do a survey of 250 randomly selected residents of Glendale and find that 86 of them use LEDs at home. Do a smaller proportion of Glendale residents use LEDs than the national average?

The null hypothesis is _________________

The alternate hypothesis is _________________

The sample proportion is _________________

What is the exact p-value given by your calculator for this test? ______________________ PHOTO (test output)

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In one sentence, state your conclusion about this question:

Answer 1