Mean - math word problems - page 14 of 39
Number of problems found: 773
- Collection of candies
We mixed two types of candies into the collection. The first species is for 36 CZK per 1 kg, and the second species is for 54 CZK per 1 kg. What was the price of one kg of a mixture? - A cyclist
A cyclist rides for 30 minutes on a style road to the top of a mountain. Down there, the road goes downhill. Its uphill speed is 20 km/h and 60 km/h downhill. The distance from the mountain's summit to its destination is 30 km. Calculate the average speed - Students 34
Students were surveyed as part of a Statistics project to determine if younger adults are more likely to have tattoos. The results are listed in the two-way table below: age; At least one tattoo; No tattoo; Row totals Age 18 - 29; 165 ; 342; 507 Age 30 - - An exam - normal distribution
Five thousand students take an exam with a mean of 59 and a deviation of 8. How many students will score less than 75? - Probability
A restaurant always counts the cash register at the end of the day so that the employees can divide their tips. It has been found that the daily tips follow a normal distribution with a mean of €130 and a standard deviation of €60. What is the probability - The average 5
The average of the two numbers is 9.5. One of the numbers is 11. What is the value of the other number? - Apple average weight
The basket contains five red apples with an average weight of 125 grams and one yellow apple. The average weight of all apples in a basket is 120 grams. Determine the weight of the yellow apple in grams. - Length 26
The length of the median of a trapezoid is 10 inches. The median divides the trapezoid into two regions whose areas are in the ratio 3:5. What is the length of the shorter base? - The number 5
The number of hours per week the television is turned on is determined for each family in a sample. The mean of the data is 35 hours, and the median is 31.2 hours. Twenty-four families in the sample turned on the television for 20 hours or less for the we - Test time percentage The time required to complete the test has a normal distribution with a mean of 50 minutes and a standard deviation of 10 minutes. What percentage of students take the test within 30 minutes?
- Three number average
Look for three numbers with an average of 2000. The middle number is 2000 - Basketball team
The average height of the basketball team's starting five players is 196 cm. The tallest player is 216 cm tall. What is the average height of the remaining four players in centimetres? - Three sigma rule
Stomach weights are normally distributed, with a mean of 1314 g and a standard deviation of 113 g. State the probability that a randomly selected stomach weighs more than 1118 g. (Report the probabilities using at least four decimal places. ) - Restaurant waiter guests
The restaurant was fully booked at lunchtime. While only three waiters staffed the restaurant, guests waited an average of 45 minutes for the lunch menu. On average, how many minutes will the guests wait if the three waiters are joined by two more waiters - Sandström
The table shows the top four goalkeepers at the World Handball Championship in Croatia. Name; Shots saved; Total shots faced Sandström; 52; 118 Štochl; 110; 266 Karaboue; 41; 99 Fazekas; 79; 195 Calculate the save percentage of each goalkeeper. Who has th - Martin history grades
Martin has an arithmetic average of 2.8 out of five history grades. If he only gets one from now, how many ones would he have to get at least so that the arithmetic mean of his history grades is less than 2? - Katka age average
Kate is six years old. The arithmetic mean of the ages of Anna and Paul is 12 years. What is the arithmetic average age of Kate, Anna, and Paul? - Segment center coordinates
The line PQ is defined by points with coordinates P = [−2; 4] and Q = [4; 0]. What are the coordinates of the midpoint S of the line segment PQ? - Jana Petra windows
Jane can wash 20 windows alone in 4 hours. Petra can do the same job in 6 hours. How long will it take them working together? - Friends iron average
Five friends compared how much scrap iron they brought to the collection. The average was 55 kg, but John brought only 43 kg. What was the average in kg without John?
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