What is the standard error of rolling a 4 on a six-sided die in 2000 rolls?

Joshua is 137.6 cm tall on his 11th bithday. Over the past four years, he has grown 3.8 cm, 4.4 cm, 6.1 cm, and 5.2 cm. How tall was Joshua on his 7th birthday? Explain your reasoning.

After moving into a new house, a couple wants to have a concrete patio poured to support a hot tub, because... well, because it's a hot tub. The plans call for a 9 ft by 17 ft slab of concrete 6 inches thick. How many cubic feet of concrete wil be needed? Round to two decimal places if necessary. Rounding to two decimal places if necessary, they will need concrete. (Choose one) ▼ of X 5 181.

A shopper buys cat food in bags of 3 lbs. Her cat eats 3/4 lb each week. How many weeks does one bag last? a.Draw a diagram to represent the situation.

When water is released from the Kinzua Dam it is released gradually. The water level in Kinzua reservoir changes at an average rate of (-9/16) inch every 3 hours. Based on this rate, how much will the water level change after one hour? Which choice has the correct calculation and vertical number line, using 0 as the original water level?

How many feet has a wheel with a diameter of 16 inches traveled after four revolutions?

If 1% of a shipment of 2000 light bulbs is defective, how many bulbs in the shipment are NOT defective?

A mountain incline climbs from an elevation of 6560 feet to 8591 feet above sea level. The fastest reported time for running up the incline is 17 minutes and 42 seconds. How many vertical feet per second did the mountain climber climb during his record-breaking performance? The mountain climber climbed feet per second during his record-breaking performance. (Type a whole number or a decimal. Round to one decimal place as needed.)

By throwing a dart at a target, one get the following 15 set of numbers (input it as one list only on your calculator), showing the displacement from the center in cm:   2.1970, 3.5952, 1.6856, 0.9327, 0.2176, 13.1885, 1.7347, 1.9638, 2.3582, 1.1870, 0.0057, 1.4206, 1.2499, 1.9973, 1.8797   Using your calculator in statistic mode calculate the mean, error, standard deviation and uncertainty for this experiment (remember to write the units too).    Mean =   Error =   Standard deviation =   Uncertainty =     Is this measurement precise? Yes  No  (circle your answer) Explain using the relevant quantities calculated above.            Is this measurement accurate? Yes  No  (circle your answer) Explain using the relevant quantities calculated above.

In the 1980s, it became possible to measure optical events in nanoseconds and picoseconds. Express 1 ps as a decimal.