# Tag: chi-square test for proportions

#### Solved (Free): A cross between white and yellow summer squash gave progeny of the following colors

A cross between white and yellow summer squash gave progeny of the following colors: Color White Yellow Green No. of Progeny 155 40 10 Suppose the sample had the same…

#### Solved (Free): A random sample of 160 car crashes are selected and categorized by age. The results are listed below. The age distribution of drivers

A random sample of 160 car crashes are selected and categorized by age. The results are listed below. The age distribution of drivers for the given categories is 18% for…

#### Solved (Free): In the United States, approximately 19% of adult deaths are caused by cancer, 47% by heart disease, and the remaining 34% by other causes

In the United States, approximately 19% of adult deaths are caused by cancer, 47% by heart disease, and the remaining 34% by other causes. A study was done on causes…

#### Solved (Free): According to the Mars Company, & M’s Milk Chocolate candies are manufactured and distributed with the following color percentages

According to the Mars Company, & M's Milk Chocolate candies are manufactured and distributed with the following color percentages: Blue - 24%; Orange - 20%; Green - 16%; Yellow -…

#### Solved (Free): A teacher figures that final grades in the statistics department are distributed as

A teacher figures that final grades in the statistics department are distributed as: A, 25%; B, 25%; C, 40%; D, 5%; E, 5%. At the end of a randomly selected…

#### Solved: Among the four northwestern states, Washington has 51% of the total population, Oregon has 30%, Idaho has 11%, and

Among the four northwestern states, Washington has 51% of the total population, Oregon has 30%, Idaho has 11%, and Montana has 8%. A market research selects a sample of 1000…

#### Solved: A Gallup Poll released in December 2010 asked 1019 adults living in the Continental U.S. about their belief in the origin of humans

A Gallup Poll released in December 2010 asked 1019 adults living in the Continental U.S. about their belief in the origin of humans. These results, along with results from a…

#### Solved: The author drilled a hole in a die and filled it with a lead weight, then proceeded to roll it 200 times.

The author drilled a hole in a die and filled it with a lead weight, then proceeded to roll it 200 times. Here are the observed frequencies for the outcomes…

#### Solved-Many track runners believe that they have a better chance of winning if they start in the inside lane that is closest t

Many track runners believe that they have a better chance of winning if they start in the inside lane that is closest to the field. For the data below, the…

#### Solved-The color vision of birds plays a role in their foraging behavior: Birds use color to select and avoid certain types of

The color vision of birds plays a role in their foraging behavior: Birds use color to select and avoid certain types of food.The authors of the article "Colour Avoidance in…