1/2 + 3/8 - 1/4 = ____.

A. 2/16
B. 1/2
C. 4/5
D. 5/8


Answer: D

Trades & Technology

You might also like to view...

Building products can be produced from agricultural waste products made from ____.

A. cork B. rice hulls C. wool D. sisal

Trades & Technology

The earliest ways of generating light were from _______________ and _______________

Fill in the blank(s) with the appropriate word(s).

Trades & Technology

In a simple random sample of 70 automobiles registered in a certain state, 28 of them were found to have emission levels that exceed a state standard.

a. What proportion of the automobiles in the sample had emission levels that exceed the standard? b. Find a 95% confidence interval for the proportion of automobiles in the state whose emission levels exceed the standard. c. Find a 98% confidence interval for the proportion of automobiles whose emission levels exceed the standard. d. How many automobiles must be sampled to specify the proportion that exceed the standard to within ±0.10 with 95% confidence? e. How many automobiles must be sampled to specify the proportion that exceed the standard to within ±0.10 with 98% confidence? f. Someone claims that less than half of the automobiles in the state exceed the standard. With what level of confidence can this statement be made?

Trades & Technology

Solve this proportion.

Fill in the blank(s) with the appropriate word(s).

Trades & Technology